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Category Archives: High Strength

Material Focus: 17-4 Bolts for Extreme Strength

Posted on July 20, 2022 by Kathleen

High strength bolts are one of the main reasons engineers look to specialty materials. 17-4PH bolts often fulfill this demand. In this short newsletter we hope to answer many of your questions surrounding the age-hardened stainless steel we call 17-4PH How much strength can 17-4PH provide? 17-4PH bolts can provide … Continue reading →

Posted in Application, Blog, High Strength, Material, Specialty Metal Fasteners | Tagged 17-4 Bolts, 17-4 Fasteners, 17-4 PH bolts, 17-4 PH fasteners, 17-4 PH Screws, 17-4 Screws, 17-4PH screws for high strength, Bolts for high strength, Fasteners for high strength, High strength 17-4 PH, Screws for high strength | Leave a comment

High Strength Monel K500 Compared to Titanium Grade 5

Posted on June 15, 2022 by Kathleen

Q: How does Monel K500 Compared to Titanium Grade 5? A: Both Monel bolts and titanium bolts offer excellent resistance to saltwater conditions. Titanium has just a slight edge on corrosion resistance to stagnant seawater compared to Monel – but this is minuscule. The main differences are strength and applications. … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged grade 5 titanium compared to Monel K500, Monel and Titanium for saltwater strength, Monel K500 compared to Grade 5 titanium, Monel K500 compared to titanium Grade 5, titanium grade 5 compared to Monel K500 | Leave a comment

Inconel vs Hastelloy for High Strength Corrosion

Posted on June 15, 2022 by Kathleen

Q: Can Hastelloy bolts provide high strength? A: Hastelloy C276 bolts can provide about 107ksi of strength. They are typically used for high temperature corrosion resistance. For corrosive applications where higher strength is needed, you may also want to consider Inconel 625. Inconel 625 bolts offer 144ksi of strength and … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged Inconel 625 bolts for high strength corrosion resistance, Inconel 625 for high strength corrosion resistance, Inconel 625 screws for high strength corrosion resistance, Inconel bolts for high strength corrosion | Leave a comment

A286 Bolt Torque Range

Posted on April 15, 2022 by Kathleen

Q: Hi, I need a torque range for a A286 (aged, 160 ksi UTS) 1″-8 hex bolt. The calculator gives a torque value of 826 ft*lbs but is there a range that is acceptable? A: One thing you have to remember about torque, is it is an approximation. You could … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged A286 ASTM F2281 screw for high temperature, A286 bolt torque, A286 fastener torque, A286 torque range, torque range | Leave a comment

17-4 H900 Heat Treatment Failure

Posted on April 15, 2022 by Kathleen

Q: We have a drawing for a 17-4 1″ bolt that we would like to order which can be heat treated to H900 – H1050. Are there any heat treat conditions that we should avoid? I’ve heard H900 can lead to sudden failure? Is this true? A: With the 17-4PH … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged 17-4 bolt failure, 17-4 screw failure, 17-4PH bolt failure, 17-4PH fastener failure, 17-4PH screw failure | Leave a comment

Polymers at Cryogenic Temperatures

Posted on March 8, 2022 by Kathleen

Polymers at Cryogenic Temperatures Most often people want to know how hot a material can be used up to in an application, however for cryogenic applications, in media like liquified gasses (nitrogen, oxygen, carbon dioxide, LNG, etc.), we need to understand how materials perform at very cold temperatures. Polymer fasteners … Continue reading →

Posted in Application, Blog, Engineered Polymer Fasteners, High Strength, High Temperature Resistance, Material | Tagged peek bolts for cryogenic, PEEK bolts for sub zero temperatures, Peek for cryogenics, Peek for sub-zero temperatures, Peek for sub-zero temps, PEEK screws for sub zero temperatures, polymer bolts for cryogenic, polymer bolts for sub zero temps, polymer bolts for subzero temps, polymer fasteners for cryogenic, polymer fasteners for sub zero temps, polymer fasteners for subzero temps, polymer screws for cryogenic, polymer screws for sub zero temps, polymer screws for subzero temps, Polymers for cryogenics, polymers for sub-zero temperatures, polymers for sub-zero temps, polymers for subzero temperatures, polymers for subzero temps, ptfe bolts for cryogenic, PTFE bolts for sub zero temperatures, PTFE for cryogenic, PTFE for sub-zero temps, PTFE for subzero temperatures, PTFE screws for sub zero temperatures, PVDF bolts for cryogenic, PVDF bolts for sub zero temperatures, PVDF for cryogenics, PVDF for sub-zero temps, PVDF for subzero temperatures, PVDF screws for sub zero temperatures | Leave a comment

Understanding QQ-N-286 and QQ-N-281

Posted on December 3, 2021 by Kathleen

Q: My customer is asking me for a hex head that is QQ-N-286 per MIL Spec. Do you know what he is asking for? I’m confused. A: Yes we can help. First let’s look at the QQ-N-286. This refers to material Monel K500. Monel is a nickel alloy used for … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged bolt per QQ-N-281, bolt per QQ-N-286, bolt per QQN281, bolt per QQN286, bolts per QQ-N-281, bolts per QQ-N-286, bolts per QQN286, Monel Bolt per QQ-N-281, Monel Bolt per QQ-N-286, Monel per QQ-N-281, Monel per QQ-N-286, Monel screw per QQ-N-281, Monel screw per QQ-N-286, QQ-N-281 bolts, QQ-N-281 screws, QQ-N-286 bolts, QQ-N-286 screws, QQN281, QQN281 bolts, QQN281 screws, QQN286 bolts, QQN286 screws, screw per QQ-N-281, screw per QQ-N-286, screw per QQN281, screw per QQN286, screws per QQ-N-281, screws per QQ-N-286, screws per QQN281, screws per QQN286 | Leave a comment

A286 Tensile Strength of 160ksi

Posted on November 18, 2021 by Kathleen

Q: Your strength chart for A286 says it offers 120-160 ksi tensile strength. What does this mean? And how can I insure I get bolts that are 160ksi? Is this the spec ASTM A453 Grade 660? A: We can insure you get your bolts made to this tensile strength but … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged A286 bolt per ASTM A453, A286 bolt to 160ksi, A286 cold worked, A286 cold-worked bolt, A286 cold-worked screw, A286 per ASTM A453, A286 screw per ASTM A453, A286 screw to 160ksi, A286 to 160ksi | Leave a comment

How does 316 Stainless Compares to Specialty Steel Alloys

Posted on November 1, 2021 by Kathleen

316 stainless is a familiar alloy to many of us and perhaps one of the most widely used fastening materials. Though it serves a critical function for industry, 316 can often fall short in servicing challenging high strength, temperature and corrosion resistant applications. Here is how it measures up in … Continue reading →

Titanium for Deep Stagnant Seawater

Posted on October 27, 2021 by Kathleen

Q: I have a deep sea marine application that requires saltwater resistance and tensile strength around 125ksi. In addition to the saltwater and strength parameters, I’m also dealing with waters that can be stagnant. Not sure if that makes a difference. Would Monel K500 be a good choice. A: Monel … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Monel 500 bolts, Monel 500 screws, monel bolts compared to titanium bolts, monel bolts vs titanium bolts, Monel K500 bolts, Monel K500 bolts compared to Titanium Grade 5 Bolts, Monel K500 bolts vs Titanium Grade 5 Bolts, Monel K500 screws, Monel K500 screws compared to Titanium Grade 5 screws, Monel K500 screws vs Titanium Grade 5 screws, monel screws compared to titanium screws, monel screws vs titanium screws, Monel vs titanium bolts, Titanium for stagnant salt water, Titanium for stagnant salt water corrosion, Titanium for stagnant saltwater, Titanium for stagnant saltwater corrosion, Titanium for stagnant sea water, Titanium for stagnant seawater corrosion | Leave a comment

Difference Between Worm Drive and Medium Duty Hose Clamps

Posted on October 26, 2021 by Kathleen

Q: I’m running a process that requires a titanium hose clamp. I need a clamp that won’t damage the hose and provides a reliable seal as we are dealing with toxic chemicals in a very technical application. Is one type of hose clamp better than the other? A: A worm … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged titanium gr 2 hose clamps, titanium grade 2 hose clamps, titanium hose clamps, titanium worm drive hose clamps | Leave a comment

PEEK for Low Thermal Conductivity & Strength

Posted on October 18, 2021 by Kathleen

Q: I’m currently cruising the internet looking for the best way to support a ceiling via suspension from structural steel. We’re building a freezer, and I don’t want thermal bridging from the inside of the freezer up to the structural steel, so a metal rod is pretty much out of … Continue reading →

Posted in Application, Engineered Polymer Fasteners, FAQs, High Strength, Material, Non-Conductive | Tagged glass fiber PEEK bolts for high strength, glass fiber PEEK bolts for high strength low thermal conductivity, glass fiber PEEK bolts for low thermal conductivity, glass fiber PEEK fasteners for high strength, glass fiber PEEK fasteners for high strength low thermal conductivity, glass fiber PEEK fasteners for low thermal conductivity, glass fiber PEEK for high strength, glass fiber PEEK screws for high strength, glass fiber PEEK screws for high strength low thermal conductivity, glass fiber PEEK screws for low thermal conductivity, PEEK bolts, PEEK bolts for high strength, PEEK Fasteners, PEEK fasteners for high strength, PEEK for high strength, PEEK Screws, PEEK screws for high strength | Leave a comment

310 Stainless Steel bolts compared to Inconel 600 bolts

Posted on October 15, 2021 by Kathleen

Q: I have a high temperature application that requires bolts that can withstand around 1900F. There is almost no corrosive contamination – strictly heat and oxidation resistance are required. I see both Inconel 600 and 310 stainless can be used at this temperature – what is the difference and which … Continue reading →

Allen, Hex, and Socket Drivers

Posted on October 11, 2021 by Kathleen

Q: What is the difference between an allen, hex and socket driver? A: All these drivers are the same. They can be offered in a socket head cap screw (hence the term socket), pan head and flat head. An allen/hex/socket drive offers a more secure connection than say a flat … Continue reading →

Posted in Advanced Ceramic Fasteners, Application, Engineered Polymer Fasteners, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged allen driver screw, allen head screw, button head socket cap, button head with allen driver, button head with hex driver, flat head socket cap, flat head with allen drive, flat head with hex driver, hex socket screw, pan head with allen driver, pan head with socket driver, socket head cap screw | Leave a comment

Inconel 600 Bolts Compared to Ceramics in High Temperatures

Posted on October 5, 2021 by Kathleen

Q: I have a high temperature application that runs at about 1900- 2000F. Would a ceramic bolt be a good idea. I need to have some strength and Alumina says it offers 75 ksi UTS? Will that work? A: Ceramics are not often a good idea when their are any … Continue reading →

Posted in Advanced Ceramic Fasteners, Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged Inconel bolts compared to Ceramic Bolts, Inconel Bolts Compared to Ceramics in High Temperatures, Inconel bolts vs Ceramic Bolts, Inconel screws compared to Ceramic screws, Inconel Screws Compared to Ceramics in High Temperatures, Inconel screws vs Ceramic screws | Leave a comment

17-4PH Bolts per ASTM A564, Type 630

Posted on October 5, 2021 by Kathleen

Q: I have a question on 17-4PH H1150, do you know what the tolerance on the material strength is? Ie +/- 10% ? A: For a 17-4 H1150 bolt, we would use the ASTM A564, Type 630 spec to define the strength as 115 KSI Min Tensile, 105 KSI Min … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged 17-4PH bolt per ASTM A564, 17-4PH bolts per ASTM A564, 17-4PH fasteners per ASTM A564, 17-4PH per ASTM A564, 17-4PH screw per ASTM A564, 17-4PH screws per ASTM A564, ASTM A564, Type 630, Type 630 strength | Leave a comment

Making the Right Choice: Inconel 600, 601, 625 & 718

Posted on October 4, 2021 by Kathleen

Inconel bolts are a nickel alloy fastener that are known for their use in high temperature applications that also require high strength. Many grades are also used for their excellent level of corrosion resistance in harsh chemical environments. This brief newsletter highlights the unique attributes of each Inconel bolt … Continue reading →

Posted in Application, Blog, Corrosion Resistance, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged choicing an inconel grade, Comparing Inconel grades, Comparison of Inconel bolts, Comparison of Inconel grades, Comparison of inconel screws, Inconel 600 bolts, Inconel 600 compared to 601, Inconel 600 compared to 625, Inconel 600 compared to Inconel 601, Inconel 600 compared to Inconel 625, Inconel 600 screws, Inconel 600 vs 601, Inconel 600 vs 625, Inconel 601 bolts, Inconel 601 compared to 625, Inconel 601 screws, Inconel 601 vs 625, Inconel 601 vs Inconel 625, Inconel 625 bolts, Inconel 625 screws, Inconel 718 bolts, Inconel 718 screws, Inconel bolt grades, Inconel Bolts, Inconel screw grades, Inconel Screws, Which inconel grade is best, Which inconel grade should I use, Which inconel is best | Leave a comment

Hastelloy C276 vs Inconel 625 Bolts

Posted on October 4, 2021 by Kathleen

Q: What’s the difference between Hastelloy C276 and Inconel 625? A: C276 bolts have an edge in corrosion resistance on Inconel 625 bolts. Typically Hastelloy bolts are the go-to in many harsh chemical environments and offer improved resistance most notably in hydrochloric acid. Hastelloy is also renowned for their resistance … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged Hastelloy bolts compared to Inconel bolts, Hastelloy bolts vs Inconel bolts, Hastelloy C276 bolts compared to Inconel 625 bolts, Hastelloy C276 bolts vs. Inconel 625 bolts, Hastelloy C276 compared to Inconel 625, Hastelloy C276 screws compared to Inconel 625 screws, Hastelloy C276 screws vs. Inconel 625 screws, Hastelloy C276 vs. Inconel 625, Hastelloy compared to Inconel, Hastelloy fasteners compared to Inconel fasteners, Hastelloy fasteners vs. Inconel fasteners, Hastelloy screws compared to Inconel screws, Hastelloy screws vs Inconel screws, Hastelloy vs Inconel | Leave a comment

Nylon vs All Metal Lock Nuts

Posted on September 28, 2021 by Kathleen

Q: What is the difference between a Duplex nylon insert and all-metal lock nut? I’ll be using this in an offshore marine application for salt air resistance and strength. A: The main things to consider between an all metal and nylon insert lock nut is the temperature and the corrosive … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged All metal lock nuts, all metal locknuts, duplex all metal lock nuts, Duplex all metal locknuts, duplex lock nuts, Duplex locknuts, duplex nylon insert lock nuts, duplex nylon insert locknuts, duplex polymer insert lock nuts, Flexloc, flexloc lock nuts, flexloc locknuts, Lock nuts, Locknuts, Nylon insert lock nuts, nylon insert locknuts, stover lock nuts | Leave a comment

Alternative Material to Aluminum 7075

Posted on September 22, 2021 by Kathleen

Q: Can you suggest a different material with similar strength-to-weight ratio as the 7075, that can be produced with a diameter M3-0.5? A: Since an M3 bolt is too small to be produced from Aluminum 7075, I would suggest either grade 2 titanium bolts or grade 5 titanium bolts. For … Continue reading →

Inconel Bolts: Preventing Galling/Seize & Over-Torque

Posted on August 4, 2021 by Kathleen

Q: I need an Inconel 625 screw for a high temperature environment with trace corrosives. I’d need torx head bolt style. How many times can I tighten and loosen this type of bolt before I need to replace it? A: You should be able to get hundreds or even thousands of … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged Anti-Seize Lubricant for galling, Anti-Seize Lubricant for Inconel, Anti-Seize Lubricant for Inconel 625, Anti-Seize Lubricant for inconel bolt, Anti-Seize Lubricant for inconel bolts, Anti-Seize Lubricant for inconel screw, Anti-Seize Lubricant for inconel screws, Anti-Seize Lubricant to lower friction, Anti-Seize Lubricant to prevent galling, Anti-Seize Lubricant to prevent seize, Inconel 625 torque chart, Inconel 625 torque specifications, inconel torque chart, Inconel torque specifications, inconel torque specs | Leave a comment

A286 Bolts and Alloy 330 Bolts for Cyclic High Temperatures

Posted on July 27, 2021 by Kathleen

Q: I need some suggestions on bolting for an application that is running at 610 degree C in a thermal cycling environment (Room temperature to 610 deg C). Is A286 a good fit? A: This will depend a bit on the loads you are dealing with, but one of the … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged A286 bolt for cyclic conditions, A286 bolt for cyclic temperatures, A286 bolt for furnace application, A286 boltfor cyclic conditions, A286 bolts for cyclic conditions, A286 bolts for cyclic temperatures, A286 bolts for furnace application, A286 screw for cyclic conditions, A286 screw for cyclic temperatures, A286 screw for furnace application, A286 screws for cyclic conditions, A286 screws for cyclic temperatures, A286 screws for furnace application, Alloy 330 bolt for cyclic conditions, Alloy 330 bolt for cyclic temperatures, Alloy 330 bolt for furnace application, Alloy 330 bolts for cyclic conditions, alloy 330 bolts for cyclic temperatures, Alloy 330 bolts for furnace application, Alloy 330 screw for cyclic conditions, Alloy 330 screw for furnace application, Alloy 330 screws for cyclic conditions, Alloy 330 screws for cyclic temperatures, Alloy 330 screws for furnace application | Leave a comment

Heat Treatment Options for 17-4PH Steel Bolts

Posted on July 15, 2021 by Kathleen

Q: I have a customer asking me for 17-4PH stainless, but says they need it heat treated to H1100. What does this mean? A: 17-4PH bolts are available in many different heat treatment options. This means that different heat treatments such as H1150, H1100, H1075, etc are applied to the … Continue reading →

Screw Creep at Elevated Temps – Inconel 600?

Posted on July 14, 2021 by Kathleen

Q: I am currently using 18-8 stainless steel socket head cap screws coated with MoS2 in a vacuum. I am having problems with the screws clamping force is sometimes loosening and they sometimes gall and jam, due to elevated temperature (700° to 1000° C) and heat cycling. What would be the most cost-effective screw … Continue reading →

Inconel 718 compared to A286 for High Temperature Strength

Posted on July 7, 2021 by Kathleen

Q: We are currently using A286 bolts per ASTM 453 at 1200F and are having some issues with durability as the tensile strength we originally calculated necessary was 130ksi but seems like we need higher strengths. Any ideas? A: In this type of environment you should consider A-286 in the … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged A286 ASTM 453 bolt, A286 ASTM 453 bolts, A286 ASTM 453 screw, A286 ASTM 453 screws, A286 bolts compared to Inconel 718 bolts, A286 bolts compared to Inconel bolts, A286 cold-worked bolt, A286 cold-worked bolts, A286 cold-worked screw, A286 cold-worked screws, A286 screws compared to Inconel 718 screws, A286 screws compared to Inconel screws, Inconel 718 bolts compared to A286 bolts, Inconel 718 screws compared to A286 screws, Inconel bolts compared to A286 bolts, Inconel compared to A286, Inconel screws compared to A286 screws | Leave a comment

The difference between CL1 and CL2 in 316 B8M material.

Posted on June 30, 2021 by Kathleen

Q: I have a customer who needs 316 Stainless Steel B8M bolts. Would Class 1 or Class 2 have a higher strength? A: If a higher strength is needed you would want to use Class 2. B8M Class 2 is carbide solution treated and strain hardened whereas Class 1 is … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged 316 SS Class 1 vs Class 2, 316 Stainless Class 1 vs Class 2, 316 stainless steel class 1 vs 2, 316 stainless steel class 1 vs class 2, 316SS Class 1 vs 2, Comparing 316 Class 1 vs Class 2, Comparing 316 Stainless class 1 vs class 2 | Leave a comment

Comparing the Titanium Grades 2, 5, 7 and 12

Posted on June 23, 2021 by Kathleen

Q: I’m working on a project that is using Titanium bolts for our equipment and we are considering a few different sizes and grade bolts; we are considering Gr.2, Gr.5, Gr.7 and Gr.12. What would you typically specify as the maximum tensile allowable (i.e. 2/3*yield) and the maximum shear allowable … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged 5, 7 and 12, Comparing titanium grade 2 and 5 bolts, Comparing titanium grade 2 and 5 fasteners, Comparing titanium grade 2 and 5 screw, Comparing titanium grade 2 and 5 screws, Comparing titanium grades 2, Difference between titanium grades, Most corrosion resistant grade of titnaium, most corrosion resistant titanium, most economic titanium, Most economical grade of titanium, Strongest grade fo titnaium, strongest titanium | Leave a comment

Inconel 600 or 601 Bolts For High Temperatures?

Posted on May 26, 2021 by Kathleen

Q: For a high temperature oxidation-rich environment which would be better Inconel 600 or 601 bolts? A: For this situation it really depends on the temperature range you are dealing with because both an Inconel 600 bolt and an Inconel 601 bolt offer good oxidation resistance. Inconel 600 can service … Continue reading →

Titanium Gr 5 Bolts vs Super Duplex 2507 Bolts in Brackish Marine Environment

Posted on May 26, 2021 by Kathleen

Q: I’m dealing with a brackish marine environment where fresh and salt water combine. I need a strong bolt around 120ksi of tensile strength and have been using Titanium Grade 5, but they are quite expensive. I was wondering if there is a more economic alternative that can handle this … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Super duplex bolt for brackish water, Super duplex bolt for marine environment, Super duplex bolt for strength in marine environment, Super duplex bolt for strength in salt water, Super duplex bolt for strength in saltwater, Super duplex bolts for brackish water, Super duplex bolts for marine environment, Super duplex bolts for strength in marine environment, Super duplex bolts for strength in salt water, Super duplex bolts for strength in saltwater, Super duplex screw for brackish water, Super duplex screw for marine environment, Super duplex screw for strength in marine environment, Super duplex screw for strength in salt water, Super duplex screw for strength in saltwater, Super duplex screws for brackish water, Super duplex screws for strength in marine environment, Super duplex screws for strength in salt water, Super duplex screws for strength in saltwater | Leave a comment

A286 Bolts for Improvement Over Grade 8 in Fuel Application

Posted on May 21, 2021 by Kathleen

Q: I’m working with a high temperature waste to fuel application that operates at 1000F normally but could spike to 1200F. Currently I am using Grade 8 bolts but I am concerned about the oxidation resistance of them and their stability at high temperatures. Do you have any material recommendations? … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged A286 bolt for fuel application, A286 bolt for high temperature, A286 bolt for oxidation resistance, A286 bolt high temperature waste, A286 bolts for fuel application, A286 bolts for high temperature, A286 bolts for oxidation resistance, A286 bolts high temperature waste, A286 screw for fuel application, A286 screw for high temperature, A286 screw for oxidation resistance, A286 screw high temperature waste, A286 screws for fuel application, A286 screws for high temperature, A286 screws for oxidation resistance, A286 screws high temperature waste | Leave a comment

Titanium Gr5 verse Aluminum 7075

Posted on May 21, 2021 by Kathleen

Q: How does titanium compare to Aluminum 7075 in terms of strength and density. I need a really strong material with a low strength to weight ratio. A: A titanium bolt will be more dense than an Aluminum 7075 bolt with a density of 4.51 g /cm3 compared to 2.81 … Continue reading →

Posted in Application, FAQs, High Strength, Lightweight, Material, Specialty Metal Fasteners | Tagged Aluminum 7075 bolt strength and density, Aluminum 7075 bolts strength and density, Aluminum 7075 screw strength and density, Aluminum 7075 screws strength and density, Titanium bolt compared to Aluminum 7075 bolt, Titanium bolt vs Aluminum 7075 bolt, Titanium bolts compared to Aluminum 7075 bolts, Titanium bolts vs Aluminum 7075 bolts, Titanium screw compared to Aluminum 7075 screw, Titanium screw vs Aluminum 7075 screw, Titanium screws compared to Aluminum 7075 screws, Titanium screws vs Aluminum 7075 screws | Leave a comment

Hastelloy & MR0175

Posted on May 18, 2021 by Kathleen

Q: I work on oil rig repair and we are required to have Hastelloy bolts that meet the NACE MR0175 standard. What is this exactly, and do you offer these? A: To answer the easy question, yes we offer Hastelloy screws per NACE MR0175. Now for the my involved question. … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Hastelloy bolt per NACE MR0175, Hastelloy bolt per NACE MR0175 Hastelloy bolts per NACE MR0175, Hastelloy screw per NACE MR0175, Hastelloy screws per NACE MR0175, NACE MR0175 Hastelloy Bolt, NACE MR0175 Hastelloy Bolts, NACE MR0175 Hastelloy Screw, NACE MR0175 Hastelloy Screws | Leave a comment

Titanium Gr5 versus Monel K500 Bolts in Sea Water

Posted on May 18, 2021 by Kathleen

Q: I have a subsea application that is exposed to extremely rapid moving salt water. Not only is it faced with these corrosive conditions but it must also be strong – 150 ksi tensile strength – in order to withstand these rough waters and maintain the structure’s integrity. Can you … Continue reading →

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A286 ASTM F2281 for Temperatures up to 1800°F

Posted on May 14, 2021 by Kathleen

Q: I’m a purchasing agent and one of our engineers is requesting a 1/2″-13 x 2″ hex head bolt that is material A286 meeting F2281? What is F2281 mean? A: Good question. F2281 is a national standards specification put in place by the ASTM. An A286 bolt that meets the … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged A286 ASTM F2281 bolt for high temperature, A286 ASTM F2281 bolts for high temperatures, A286 ASTM F2281 for high temperatures, A286 ASTM F2281 screw for high temperature, A286 ASTM F2281 screws for high temperature, F2281 bolt standard, F2281 bolts standard, F2281 screw standard, F2281 screws standard | Leave a comment

17-4PH for High Strength Structural Application

Posted on May 13, 2021 by Kathleen

Q: We are in the planning process for a structure that must withstand 160 to 165 ksi of tensile strength. Do you have any suggestions on bolting material? A: An ideal bolt for this application would be a 17-4PH bolt. 17-4PH is a material that is over 4 times greater … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged 17-4PH Bolt for High Strength Structural Application, 17-4PH Bolt for Structural Strength, 17-4PH Bolts for High Strength Structural Application, 17-4PH Bolts for Structural Strength, 17-4PH for High Strength Structural Application, 17-4PH Screw for High Strength Structural Application, 17-4PH screw for Structural Strength, 17-4PH screws for High Strength Structural Application, 17-4PH screws for Structural Strength | Leave a comment

17-4PH Screw for Strength Comparable to Grade 8 Steel

Posted on May 13, 2021 by Kathleen

Q: Perhaps you can help. I am looking for a stainless-steel substitute to replace a standard SHCS. I will be fastening a stack of hydraulic valves onto a 6061-aluminum manifold with a 3000 PSI working pressure. I am not sure what the tensile strength needs to be comparable to a … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners | Tagged 17-4PH Bolt for High Pressure Strength, 17-4PH Bolt for Strength Comparable to Grade 8 Steel, 17-4PH Bolts for High Pressure Strength, 17-4PH Bolts for Strength Comparable to Grade 8 Steel, 17-4PH for High Pressure Strength, 17-4PH Screw for High Pressure Strength, 17-4PH Screw for Strength Comparable to Grade 8 Steel, 17-4PH Screws for High Pressure Strength, 17-4PH Screws for Strength Comparable to Grade 8 Steel | Leave a comment

A286 Bolts for High Temperature use with 409 Stainless

Posted on May 12, 2021 by Kathleen

Q: I am working on two different exhaust systems based on 409 SS. I am looking for a 3/8-16 1” long bolt which can be fastened to threads in 409 SS. Currently, I am using Grade 8 bolts made from 300 M with Nickel Based Anti-Seize. The temperature can go … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged A286 Bolt for 500C, A286 Bolt for use with 409 SS, A286 Bolt for use with 409 stainless steel, A286 Bolts for 500C, A286 Bolts for use with 409 SS, A286 Bolts for use with 409 stainless steel, A286 screw for 500C, A286 screw for use with 409 SS, A286 screw for use with 409 stainless steel, A286 screws for 500C, A286 screws for use with 409 SS, A286 screws for use with 409 stainless steel, High Temperature Bolt for use with 409 SS, High Temperature Bolts for use with 409 SS, High Temperature screw for use with 409 SS, High Temperature screws for use with 409 SS | Leave a comment

Inconel Bolt for High Temperature Thermal Expansion

Posted on May 12, 2021 by Kathleen

Q: I am looking for a bolt that will withstand working temperatures of around 800 degrees. We are having issues using grade 9 bolts that after multiple oven cycles we are having to cut the bolts off due to them being locked up. We need a bolt that will withstand … Continue reading →

Monel Bolt for Anodizing

Posted on May 10, 2021 by Kathleen

Q:We have an anodizing process that sends low voltage current through aluminum bars. We have been using 316 stainless bolts, but over time the electricity heats the bolts up red hot, then we lose clamping force. The tanks contain a solution of 15% sulfuric acid, so there is some corrosion … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Specialty Metal Fasteners | Tagged Monel Bolt for Anodizing, Monel Bolt for conductivity, Monel Bolts for Anodizing, Monel Bolts for conductivity, Monel Screw for Anodizing, Monel screw for conductivity, Monel Screws for Anodizing, Monel screws for conductivity | Leave a comment

Inconel Bolts & Alloy 330 Bolts for Cyclic High Temperature Conditions

Posted on May 5, 2021 by Kathleen

Q: I need a material that can stay oxidation resistant at 2000F in a cyclic temperature environment. Any suggestions? A: One of the best choices is Inconel 601, UNS N06601,which is highly resistant to oxidation up to 2200°F and can handle even severe thermal cycling. These Inconel bolts will offer … Continue reading →

Titanium Grade 23 or TI 6AL-4V for Biocompatibility

Posted on May 3, 2021 by Kathleen

Q: I’m working on a medical prototype that requires a strong bolt that is biocompatible. I know I want titanium but not sure which grade is adequate for medical use. A: Typically medical grade titanium screws are produced from grade 23 or TI 6AL-4V ELI or grade 5 6AL4V. A … Continue reading →

Posted in Application, FAQs, High Strength, Lightweight, Specialty Metal Fasteners | Tagged 6AL4V bolt, 6AL4V bolts, 6AL4V screw, 6AL4V screws, Grade 23 titanium bolt for medical, Grade 23 titanium bolts for medical, Grade 23 titanium screw for medical, Grade 23 titanium screws for medical, Grade 5 titanium bolt for medical, Grade 5 titanium bolts for medical, Grade 5 titanium screw for medical, Grade 5 titanium screws for medical, Medical grade titanium bolt, Medical grade titanium bolts, Medical grade titanium screw, Medical grade titanium screws, TI 6AL-4V ELI bolt, TI 6AL-4V ELI bolts, TI 6AL-4V ELI screw, TI 6AL-4V ELI screws | Leave a comment

A286 Bolts per ASTM A453 660

Posted on April 16, 2021 by Kathleen

Q: I have a high temperature exhaust stream that is part of an air-to-air energy recovery system that experiences temperatures around 1300F consistently and can go up to 1500 intermittently. I need to ensure that the bolts have a tensile strength of 130ksi. Can you help me out with this? … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged A286 bolt ASTM A453 Grade 660 (A, A286 bolts to ASTM A453 Grade 660 (A, A286 Screw to ASTM A453 Grade 660 (A, A286 Screws to ASTM A453 Grade 660 (A, ASTM A453 Grade 660 (A, B, C or D), C or D) bolt, C or D) bolts, C or D) screw, C or D) screws | Leave a comment

Titanium Grade 5 versus Aluminum

Posted on April 14, 2021 by Kathleen

Q: What is the difference between using aluminum compared to a titanium bolt for a medical fastener? A: Medical grade titanium bolts – grade 5 – have an incredible strength to weight ratio. They are 60% denser than aluminum but more than twice as strong. This makes a titanium bolt … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged medical titanium bolt, medical titanium bolts, medical titanium screws, titanium bolt, titanium bolt for biocompatibility, Titanium Bolts, titanium bolts for biocompatibility, titanium grade 5 bolt, titanium grade 5 bolts, titanium grade 5 screw, titanium grade 5 screws, titanium screw, Titanium Screws, titanium screws for biocompatibility | Leave a comment

Choosing a Non-Magnetic Fastener

Posted on April 13, 2021 by Kathleen

Non-magnetic fasteners service a variety of applications mainly where magnetic “interference” needs to be avoided. Cryogenic and medical applications such as MRI’s are just a few of the key places non-magnetic fasteners are needed. This newsletter highlights a few specialty metal fasteners that can service non-magnetic needs. Inconel Bolts Non-magnetic … Continue reading →

Posted in Application, Blog, Corrosion Resistance, High Strength, High Temperature Resistance, Lightweight, Material, Specialty Metal Fasteners | Tagged non-magnetic aluminum bolt, non-magnetic aluminum bolts, non-magnetic aluminum screw, non-magnetic aluminum screws, non-magnetic bolt, non-magnetic bolts, non-magnetic Inconel bolt, non-magnetic Inconel bolts, non-magnetic Inconel screw, non-magnetic Inconel screws, non-magnetic metal bolt, non-magnetic metal bolts, non-magnetic metal screw, non-magnetic metal screws, non-magnetic screw, non-magnetic screws, non-magnetic titanium bolt, non-magnetic titanium bolts, non-magnetic titanium screw, non-magnetic titanium screws | Leave a comment

Nitronic 60 vs A286 for High Temperatures

Posted on April 13, 2021 by Kathleen

Q:How does Nitronic 60 compare to an A286 bolt for high temperature strength? A: That depends on the strength required and the temperature of your application. A Nitronic 60 bolt is known for its high temperature properties up to 1800F. At these extreme temperatures it can offer good resistance to … Continue reading →

Super Duplex for Structural Project in Salt Air

Posted on April 12, 2021 by Kathleen

Q: I’m looking for a bolt that can handle salt air and be structurally sound with a tensile strength of about 115-120 ksi max – do I require a titanium grade 5 bolt because I know they are costly? A: Probably not at that tensile strength. A Super Duplex bolt … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Super duplex bolt for salt air, Super Duplex bolt for saltwater, Super duplex bolts for salt air, Super Duplex bolts for saltwater, Super duplex fastemers for salt air, Super duplex fastener for salt air, Super Duplex fastener for saltwater, Super Duplex fasteners for saltwater, Super duplex screw for salt air, Super Duplex screw for saltwater, Super duplex screws for salt air, Super Duplex screws for saltwater | Leave a comment

An Inconel 600 Bolt vs an Inconel 625 Bolt

Posted on April 8, 2021 by Kathleen

Q: Does Inconel 600 provide the same level of corrosion resistance as an Inconel 625 bolt? A: Not typically. For corrosion resistance, an Inconel 625 bolt is one of the more corrosion resistant versions of the Inconel alloys and it can withstand many strong hot acids. While not as corrosion … Continue reading →

A286 vs Hastelloy for High Temperature & Strong Fastener

Posted on March 29, 2021 by Kathleen

Q: I’m looking for a high temperature, strong fastener. I noticed that Hastelloy C276 bolts can be used to 1500F where A286 screws can only be used to 1300F. Does that make Hastelloy a better choice? A: Typically not. Hastelloy screws are most often used for high temperature corrosion. For … Continue reading →

Posted in Application, High Strength, High Temperature Resistance | Tagged A286 bolts for high temperature strength, A286 fasteners for high temperature strength, A286 for high temperature strength, A286 screws for high temperature strength | Leave a comment

Alloy 330 vs 310 Stainless Steel Fasteners

Posted on January 22, 2021 by Kathleen

Q: What is the difference between alloy 330SS and 310SS bolts? A: Good question. Alloy 330 and 310 are fairly similar however there are some differences. Alloy 330 fasteners offer high temperature protection, oxidation and carburization resistant to 2100°F whereas 310SS maxes out at 2000°F. In addition, alloy 330 bolts … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged Alloy 330 vs 310 Stainless Steel, Alloy 330 vs 310 Stainless Steel bolts, Alloy 330 vs 310 Stainless Steel fasteners, Alloy 330 vs 310 Stainless Steel screws | Leave a comment

Flanges for High Pressure Sulfuric Acid

Posted on December 21, 2020 by Kathleen

Q: I have a high pressure application that exposes my flanges to sulfuric acid? Can you suggest the best flange and material for this situation? A: For high pressure applications weld neck flanges have a beveled end that, when connected to a pipe, creates a trough for a strong weld … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged corrosion resistant weld neck flange, flange for sulfuric acid, hastelloy corrosion resistant flange, hastelloy flange, hastelloy flange for sulfuric acid, Hastelloy weld neck flange, inconel corrosion resistant flange, inconel flange, inconel flange for sulfuric acid, inconel weld neck flange, tantalum corrosion resistant flange, tantalum flange, tantalum flange for sulfuric acid, tantalum weld neck flange, weld neck flange for sulfuric acid, zirconium corrosion resistant flange, zirconium flange, zirconium flange for sulfuric acid, zirconium weld neck flange | Leave a comment

Lowest Gasket Tightness Requirements

Posted on December 18, 2020 by Kathleen

Q: I cannot obtain an adequate seal with my existing metallic gaskets because my current flange and fastener maximum yield strengths will be exceeded. Any suggestions? A: JP/JG gaskets, with their unique design, offer and low tightening requirement across the surface of the gasket face in order to obtain extremely … Continue reading →

Posted in Application, FAQs, High Strength, Material | Tagged gasket tightening requirements, jg / jp gasket, jg/JP gasket, jg/jp revoseal gasket, revoseal gasket | Leave a comment

Flanges for Saltwater

Posted on December 16, 2020 by Kathleen

Q: I need a high strength salt water resistant flange for a naval application. Will be in rapidly moving seawater. A: Here I would suggest a Monel K500 flange. Monel K500 is extremely strong as it is age hardened. It offers 160 ksi of ultimate tensile strength. Also Monel flanges … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Flanges for salt water, flanges for saltwater, flanges for sea water, flanges for seawater, monel flanges for salt water, monel flanges for saltwater, monel flanges for sea water, monel flanges for seawater, monel k500 flanges for salt water, monel K500 flanges for saltwater, monel K500 flanges for sea water, monel K500 flanges for seawater | Leave a comment

Gasket for Dissimilar Flange Face

Posted on November 30, 2020 by Kathleen

Q: I need a gasket for dissimilar flange faces with an 8mm gap. Is there a solution you can provide to fit this issue? A: Yes. We can produce custom JG / JP gaskets that fit dissimilar flange faces for a tight seal. JG / JP gaskets could be made … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Gasket for Different flange face, Gasket for dissimilar flange face, Gasket for two different flange faces, Gasket for unlike flange face, Gaskets for dissimilar flange face | Leave a comment

Non-conductive Screw with Strength of Steel

Posted on November 23, 2020 by Kathleen

Q: We are looking for a non-conductive screw that gets close to the strength of 316 stainless steel, ideas? A: The best we could offer would be our glass fiber reinforced PEEK screws. It has nearly double the tensile strength as natural PEEK at about 22,800 psi. You could also … Continue reading →

Posted in Advanced Ceramic Fasteners, Application, Engineered Polymer Fasteners, FAQs, High Strength | Tagged Glass Fiber Peek bolts electrical insulation, Glass Fiber Peek bolts for non-conductive application, Glass Fiber Peek fasteners electrical insulation, Glass Fiber Peek fasteners for non-conductive application, Glass Fiber Peek screws electrical insulation, Glass Fiber Peek screws for non-conductive application, PEEK bolts for high strength, PEEK fasteners for high strength, PEEK screws for high strength | Leave a comment

Titanium Grade 5 for Medical Implant Bolting

Posted on October 13, 2020 by Kathleen

Q: We are researching a bolt to be used in a medical implant? Is there a standard material you can suggest? A: While there are a variety of possibilities depending on the requirements for the screw, a go to material for many implantable fasteners for good strength and biocompatibility, is … Continue reading →

Tungsten Fasteners for Radiopaque Applications

Posted on October 8, 2020 by Kathleen

Q: I’m looking for a radiopaque material for an xray application. I’ve tried lead but need something that is more intense that could be made into a screw. Is there a material you can suggest? A: Tungsten screws are excellent for radiopaque x-ray applications. Tungsten offers a higher density than … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged tantalum bolts for Radiopaque application, tantalum fasteners for Radiopaque application, tantalum screws for Radiopaque application, Tungsten bolts for Radiopaque application, Tungsten fasteners for Radiopaque application, Tungsten screws for Radiopaque application | Leave a comment

Do ceramic fasteners provide strength?

Posted on October 8, 2020 by Kathleen

Q: Do ceramic fasteners provide strength? A: The answer to your question is both yes and no. They provide decent tensile strength similar to some stainless steels(Aluminia bolts has a tensile strength of 30 ksi and Zirconia screws 75 ksi), however they don’t have any yield strength. Due to the … Continue reading →

Posted in Advanced Ceramic Fasteners, Application, FAQs, High Strength, Material | Tagged strength of alumina bolts, strength of alumina fasteners, strength of alumina screws, strength of alunina ceramic bolts, strength of alunina ceramic fasteners, strength of alunina ceramic screws, strength of ceramic bolts, Strength of ceramic fasteners, strength of ceramic screws, strength of zirconia bolts, strength of zirconia ceramic bolts, strength of zirconia ceramic fasteners, strength of zirconia ceramic screws, strength of zirconia fasteners, strength of zirconia screws | Leave a comment

Inconel Bolts for High Pressure Flange

Posted on October 2, 2020 by Kathleen

Q: Looking for a bolt rated 320 psi for use at a temperature of 1292F on an Incoloy 80oHT flange? Suggestions? A: Assuming you want hex head bolts and Inconel 625 is probably your best choice at those temperatures. At about 1300F, Inconel 625 bolts (per the chart below) should … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Leave a comment

Fasteners for High Temperature Exhaust Stream

Posted on September 24, 2020 by Kathleen

Q: I have a high temperature exhaust stream that needs an oxidation resistant fastener? Any suggestions, my temperature is about 1400F? A: For this temperature you have a few options depending on the strength you need. One option may be Nimonic 80A bolts which are usable to about 1500F. Also … Continue reading →

PEEK Screws for High Strength at 400F

Posted on September 21, 2020 by Kathleen

Q: What would be the highest strength polymer fastener I can use to 400F? A: For this application, probably the best option for you would be PEEK fasteners. PEEK screws are usable to 500F and are available in three levels of strength. Unfilled natural PEEK fasteners offer 16,000 psi tensile … Continue reading →

Posted in Application, Engineered Polymer Fasteners, FAQs, High Strength, High Temperature Resistance, Material | Tagged High STrength PEEK bolts, High strength PEEK Fasteners, High strength PEEK screws, PEEK bolts for strength, PEEK fasteners for strength, PEEK screws for strength | Leave a comment

Strength of Hastelloy C276 bolts vs. A4

Posted on September 16, 2020 by Kathleen

Q: Can you tell me how the mechanical properties of C276 compare to the A4 stainless? A: That would depend on the grade of A4 you are talking about but as a rough comparison Hastelloy C276 bolts per ASTM B564 would have a MIN Tensile of 100ksi and a MIN … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Hastelloy C276 vs A4 | Leave a comment

Hastelloy C276 Bolts vs Inconel 625 Bolts

Posted on September 14, 2020 by Kathleen

Q: Can you tell me the difference between Hastelloy C276 and Inconel 625? They both seem to be corrosion resistant to sulfuric acid but I also need a high strength material. A: Yes both perform well in sulfuric acid application, but in terms of corrosion resistance, Hastelloy C276 bolts would … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Hastelloy bolts vs Inconel bolts, Hastelloy C276 bolts vs. Inconel 625 bolts, Hastelloy C276 fasteners vs. Inconel 625 fasteners, Hastelloy C276 screws vs. Inconel 625 screws, Hastelloy C276 vs. Inconel 625, Hastelloy fasteners vs. Inconel fasteners, Hastelloy screws vs Inconel screws, Hastelloy screws vs. Inconel screwss, Hastelloy vs Inconel | Leave a comment

When to Choose Duplex Steel Bolts vs 316 Stainless

Posted on September 14, 2020 by Kathleen

Duplex Steel: Strength & Corrosion Resistance Beyond 316 316 Stainless steel fasteners have many applications, but if you are looking for an all-around improved fastener without breaking the budget, Duplex alloys might be a good choice. Duplex steel fasteners are known for their improved strength (being about 2x stronger) and … Continue reading →

Exposing PEEK Screws to HCl

Posted on September 8, 2020 by Kathleen

Q: What is the max temperature I could expose PEEK screws to HCl? A: This depends on the concentration of the HCl but if you were at about 15%, the PEEK fasteners can be exposed to about 100C of hydrochloric acid solution. See this chart https://www.specialfastenersbolt.com/peek-fasteners-flanges.html#Chemical. That is the max … Continue reading →

Posted in Application, Corrosion Resistance, Engineered Polymer Fasteners, FAQs, High Strength, High Temperature Resistance | Tagged Exposing PEEK bolts to HCL, Exposing peek bolts to hydrochloric acid, Exposing Peek fasteners to HCl, Exposing PEEK fasteners to Hydrochloric acid, Exposing PEEK Screws to HCl, Exposing PEEK screws to hydrochloric acid, max temperature I could expose PEEK bolts to HCl, max temperature I could expose PEEK fasteners to HCl, max temperature I could expose PEEK fasteners to Hydrochloric acid, max temperature I could expose PEEK screws to HCl, max temperature I could expose PEEK screws to hydrochloric acid | Leave a comment

PEEK for High Strength Electrical Insulation

Posted on September 2, 2020 by Kathleen

Q: We are looking for high shear strength non-conductive flat head screws being used for electrical insulation. The screws need to have a high shear strength quality as other plastics screws we have tried have broken. Do you have a material you can recommend? A: With regards to a polymer … Continue reading →

PVDF Screws for Sulfuric Acid & Strength

Posted on August 27, 2020 by Kathleen

Q: I’m looking for a polymer that can be exposed to low concentration of sulfuric acid. Which polymer do you recommend? I tried PTFE but they don’t seem to be as strong as I need. A: PTFE and PFA fasteners offer the highest polymer corrosion resistance but the trade-off is … Continue reading →

Posted in Application, Corrosion Resistance, Engineered Polymer Fasteners, FAQs, High Strength | Tagged polymer bolts for sulfuric acid, polymer fasteners for sulfuric acid, polymer screws for sulfuric acid, PVDF bolts for sulfuric acid, PVDF bolts for sulfuric acid corrosion resistance, PVDF fasteners for corrosion resistance, PVDF fasteners for sulfuric acid, PVDF fasteners for sulfuric acid corrosion resistance, PVDF screws for sulfuric acid, PVDF screws for sulfuric acid corrosion resistance | Leave a comment

Duplex Steel Bolts for Brackish Water

Posted on August 26, 2020 by Kathleen

Q: I’m looking for a material that can service a brackish water environment with high strength around 100ksi, would SMO 254 work for me? A: In terms of the corrosion resistance, yes, but for strength you are right on the edge of the capabilities for 254 SMO fasteners. 254 SMO … Continue reading →

Titanium Grade 2 Fasteners for Chlorides/Moderate Strength

Posted on July 15, 2020 by dean

Q: Hello I am researching titanium and C276 hardware for a submerged application in a high chloride (20,000 mg/L) elevated temperature environment (125F). Corrosion resistance is more important than shear or tensile strength in this application. A: Titanium screws should be a good choice for your application especially Grade 2 … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength | Tagged Hastelloy bolts for chloride and HCL corrosion, Hastelloy C276 bolts for chloride and HCL corrosion, Hastelloy C276 fasteners for chloride and HCL corrosion, Hastelloy C276 screws for chloride and HCL corrosion, Hastelloy fasteners for chloride and HCL corrosion, Hastelloy screws for chloride and HCL corrosion, Titanium bolts for chloride corrosion, Titanium fasteners for chloride corrosion, Titanium grade 2 bolts for chloride corrosion, Titanium grade 2 fasteners for chloride corrosion, Titanium grade 2 screws for chloride corrosion, Titanium screws for chloride corrosion | Leave a comment

Lightweight Nut Similar Strength to Class 10 Steel

Posted on July 14, 2020 by dean

Q: I’m looking for a nut in a large metric size. I know I can’t get it made in this large a size for class 10 steel so I’m hoping you can recommend a material that can be made to an M16 with similar strength. A: If you are looking … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners | Tagged titanium bolts for lightweight strength, titanium fasteners for lightweight strength, titanium fasteners similar strength to class 10 steel, titanium nuts for lightweight strength, titanium nuts for similar strength to class 10 steel, Titanium similar strength to class 10 steel | Leave a comment

Super Duplex Bolts for Greater Strength over 400 Stainless

Posted on June 29, 2020 by dean

Q: Currently I’m using screws made of 400 series stainless steel for use in factory machinery that is moving in a circular path creating a centrifugal force. Our existing bolts are breaking and we’re looking for a bolt with a more rigid type of material that will not break or … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Duplex 2507 bolts for higher strength over 400 stainless steel, Duplex 2507 bolts for improved strength over 400 stainless steel, Duplex 2507 fasteners for higher strength over 400 stainless steel, Duplex 2507 fasteners for improved strength over 400 stainless steel, Duplex 2507 for improved strength over 400 stainless steel, Duplex 2507 screws for higher strength over 400 stainless steel, Duplex 2507 screws for improved strength over 400 stainless steel, Super Duplex 2507 vs 400 Stainless Steel, Super Duplex bolts for higher strength over 400 stainless steel, Super Duplex bolts vs 400 Stainless Steel, Super Duplex fasteners for higher strength over 400 stainless steel, Super Duplex fasteners vs 400 Stainless Steel, Super Duplex screws for higher strength over 400 stainless steel, Super Duplex screws vs 400 Stainless Steel, Super Duplex vs 400 Stainless Steel | Leave a comment

Strong, High Temperature Fastener for Gas Turbines

Posted on June 25, 2020 by dean

Q: I’m in need of hex head bolts for a gas turbine hot section application. These bolts would need good strength and min. temperature tolerance of 1000 degF. Any suggestions? A: A286 bolts are an option, but would be on the lower end of these materials in terms of temperature … Continue reading →

Difference Between Grades of Nitronic Fasteners

Posted on May 27, 2020 by dean

Q: What is the difference between Nitronic 50 and 60? A: Both grades of Nitronic offer similar strength which is nearly double the yield strength of 300 series stainless steel (Nitronic 50 100ksi UTS and Nitronic 60 95ksi UTS). The real difference is in the temperature capabilities and the usage … Continue reading →

Understanding the Different Grades of Tungsten Fasteners

Posted on May 21, 2020 by dean

Q: What is the difference between the different grades of tungsten and why would I choice one vs the other? A:Tungsten fasteners are available in commercially pure tungsten (Tungsten CP) which is 99.95% pure. This grade offers the highest density, strength and hardness of all the grades. It is also … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged diference between the grades of tungsten screws, difference between classses of tungsten bolts, difference between classses of tungsten fasteners, difference between classses of tungsten screws, difference between the grades of tungsten bolts, difference between the grades of tungsten fasteners, different grades of tungsten bolts, different grades of tungsten fasteners, different grades of tungsten screws, What is the differents between the grades of tungsten | Leave a comment

Bolts for High Temperature Exhaust Stream

Posted on May 13, 2020 by dean

Q: I have an application with high temperature exhaust that requires a high strength bolt for oxidation resistance. Temps are pretty consistent around 1300F. Would Inconel 718 bolts be a good choice? A: Inconel 718 would definitely be one good option. Inconel 718 bolts offer 210ksi tensile strength and are … Continue reading →

Inconel, Monel & Titanium bolts for strength and high temps

Posted on April 29, 2020 by dean

Q: I’m in need a high strength bolt that can not only withstand temperatures of 1000F but also be exposed to chemical contaminants from time to time. The 1000F is the max, probably not the constant. Strength would need to be around 150ksi. Contaminants would be salts and some low … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged high temperature and corrosion resistance, inconel 718 bolts for strength, inconel 718 fasteners for strength, inconel 718 screws for strength, Inconel bolts for strength, inconel fasteners for strength, temperature and corrosion resistance | Leave a comment

Fasteners That Keep Us Safe

Posted on April 28, 2020 by dean

Modern day engineering is key to helping the world through this difficult time, and specialty material bolts make it possible. Materials like titanium, PEEK and 17-4PH provide the corrosion resistance and high strength needed for manufacturing and high-tech distribution. This newsletter shows some of the ways Special Fasteners China. & Fastener … Continue reading →

Posted in Application, Blog, Corrosion Resistance, Engineered Polymer Fasteners, High Strength, Material, Specialty Metal Fasteners, Ultra Purity | Tagged 17-4PH bolts for robotic systems, 17-4PH fasteners for robotic systems, 17-4PH screws for robotic systems, al6xn screws for chloride corrosion resistance, AL6XN screws for chloride resistance, Hastelloy fasteners for pharmaceutical, Hastelloy screws for pharmaceutical, peek bolts for chemical resistance, PEEK fasteners for chemical resistance, PEEK fasteners for strength and stiffness, PEEK screws for chemical resistance, PEEK screws for strength and stiffness, PTFE fasteners for pharmaceutical, PTFE screws for pharmaceutical, titanium bolts for chloride corrosion resistance, titanium bolts for pulp & paper, titanium fasteners for chloride corrosion resistance, titanium fasteners for pulp & paper, Titanium screws for chloride corrosion resistance, titanium screws for pulp & paper | Leave a comment

Tungsten Set Screw for Density & Strength

Posted on April 24, 2020 by dean

Q: I’m looking for a high density material that is also high strength. I need set screws for a weighted part, but they also need to have about 120ksi of tensile strength. Is this possible? A: Yes, for this type of application you’ll want to use pure tungsten or a … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged tungsten alloy bolts for high strength, tungsten alloy bolts for weighting, tungsten alloy fasteners for high strength, tungsten alloy fasteners for weighting, tungsten alloy screws for high strength, tungsten alloy screws for weighting, tungsten bolts for high strength, tungsten bolts for weighting, tungsten fasteners for high strength, tungsten fasteners for weighting, tungsten screws for high strength, tungsten screws for weighting | Leave a comment

17-4PH Bolts for High Strength

Posted on April 15, 2020 by dean

Q: I have equipment that requires a high strength bolt. Temperature and corrosion are not an issue, solely strength. I had tried Super Duplex thinking that would do the trick, but I’m still having breakage. Any ideas? A: For an application that exclusively requires high strength, you might want to … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners | Tagged 17-4PH bolts for high strength, 17-4PH fasteners for high strength, 17-4PH for high strength, 17-4PH screws for high strength | Leave a comment

Titanium & Monel K500 for High Strength Saltwater Corrosion

Posted on April 9, 2020 by dean

Q: I’ve been using Monel 400 for a saltwater application but I’m having issues with bolts notwithstanding the application pressure. Is there a saltwater resistant fastener that can give me higher strength? A: Yes for higher strength saltwater resistance you have two options. Monel K500 bolts are an age hardened … Continue reading →

Duplex Bolts for DI Water Corrosion & Strength

Posted on April 3, 2020 by dean

Q: We need a custom bolt for securing a 304SS flange to a pressure vessel located in a submerged DI water pit. We have a few concerns/requirements. First, we need to ensure that galling and corrosion do not prevent us from removing the bolts during service events (between 1 and … Continue reading →

Posted on April 1, 2020 by dean

Q: I am looking to eventually get a quote for some 3/8″ studs and nuts. I need to have a min yield stress of 29 ksi at 700F. SA-540 Grade B22 Class 2 or SB-637 should work. Is this something you can provide? A: These are very different materials: A-540 Grade B22 Class … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged Inconel 625 studs for high strength, Inconel 625 studs for high temperature, Inconel 718 fasteners for high temperature, Inconel 718 studs for high strength, Inconel 718 studs for high temperature, Inconel studs for high temperature, Inconel studs for strength | Leave a comment

Strength Ceramic Screws Compared to Steel

Posted on April 1, 2020 by dean

Q: How do ceramic alumina screws compare to steel screws as far as strength goes? The load would most likely be tension, but some compression too. A: If you compare 316 Stainless Steel to Zirconia ceramic screws, their tensile strengths are similar (around 75 ksi tensile) with Alumina ceramics being … Continue reading →

Posted in Advanced Ceramic Fasteners, Application, FAQs, High Strength | Tagged alumina ceramic screw strength, alumina screws compared to stainless steel, Ceramics screws compared to stainless steel, strength of alumina ceramic screws compared to stainless steel, strength of zironia ceramic screws compared to stainless steel, zirconia ceramic screw strength, zirconia screws compared to stainless steel | Leave a comment

Wedge Anchors for Concrete Fastening

Posted on March 24, 2020 by dean

Q: Can I use a wedge anchor to attach a piece of equipment to metal? I need a high strength fastener. A: No. Wedge anchors are used to strictly for fastening into concrete. The anchor is actually an expansion mechanism which fans out and locks the bolt into concrete as … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners | Tagged specialty metal wedge anchor bolts, wedge anchor bolts for concrete, Wedge anchor for concrete | Leave a comment

Super Duplex Bolts Ideal for Strength & Seaspray

Posted on March 18, 2020 by dean

Q: I need a large quantity of fasteners that can offer about 100ksi of tensile strength and provide me resistance to seaspray and salt air. Is titanium a good choice? A: Titanium grade 5 bolts will meet both these requirements, but will probably be overkill in your situation. For this … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Specialty Metal Fasteners | Tagged Duplex 2507 bolts for seaspray corrosion, duplex 2507 fasteners for seaspray corrosion, duplex 2507 screws for seaspray corrosion, super duplex 2507 bolts for strength in saltwater, super duplex 2507 fasteners for strength in saltwater, super duplex 2507 screws for strength in saltwater, super duplex bolts for seaspray corrosion, super duplex fasteners for seaspray corrosion, super duplex screws for seaspray corrosion, super duplex steel bolts for saltwater and strength, super duplex steel screws for salt water and strength | Leave a comment

17-4PH for High Strength Applications

Posted on March 3, 2020 by dean

Q: Looking at options to increase the tensile strength for a socket head cap screw. We are currently using grade 8. Would Waspaloy be a good option? A: If you are looking for a fastener with higher strength than Grade 8 Alloy Steel (150 KSI Tensile, 130 KSI Yield), and … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged 17-4 Bolts for high strength, 17-4 fasteners for high strength, 17-4 screws for high strength, 17-4PH bolts for high strength, 17-4PH fasteners for high strength, 17-4PH screws for high strength | Leave a comment

Inconel 625 Studs for Temperatures of 1650°F

Posted on February 13, 2020 by dean

Q: What stud and nut material should I use with a ANSI 600# Alloy 800 HT pipe class max temperature 1650°F. A: Given that you are at a high temperature and pressure I would recommend going with an Inconel 625 stud. This will provide the best combination of high temperature … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Tagged Inconel 625 fasteners for high temperature, Inconel 625 nuts for high temperature, Inconel 625 studs for high temperature, Inconel fasteners for high tempature, Inconel studs for high temperature | Leave a comment

PEEK Screws for Non-Conductive High Impact Application

Posted on February 6, 2020 by dean

Q: Looking to change to a non-conductive material for use in a high impact application. Would Alumina or Zirconia ceramic fasteners be a good fit? A: We could certainly quote you some ceramic hardware, however ceramics may not be the best non-conductive choice for a high impact environment. Ceramic fasteners … Continue reading →

Posted in Application, FAQs, High Strength, Non-Conductive | Tagged non-conductive fasteners, non-conductive polymer fasteners, PEEK bolts for non-conductive applications, PEEK bolts for non-conductivity, PEEK fasteners for non-conductive applications, PEEK fasteners for non-conductivity, PEEK screws for non-conductive applications, PEEK screws for non-conductivity | Leave a comment

Inconel for High Strength Sour Gas Applications

Posted on November 20, 2019 by dean

I am looking for the best available material solution for Oil&Gas industry with occasionally presence of H2S. For now we are using A286 but I am not sure about its H2S resistance. What kind of material you can recommend that is comparable to A286 and is H2S rated? When … Continue reading →

Tensile Strength Options for Inconel 718 Bolts

Posted on November 20, 2019 by dean

Q: Im looking for Inconel 718 bolts but I need a bit more strength than what is typically offered as a min of 185ksi Ultimate Tensile. Is it possible to make Inconel 718 stronger than that? A: Yes…Actually Inconel 718 bolts are available in a few different flavors. The most … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged AMS 5663 heat treatment Bolts, AMS 5663 heat treatment fasteners, AMS 5663 heat treatment Screws, AMS 5962 heat treatment bolts, AMS 5962 heat treatment fasteners, AMS 5962 heat treatment screws, Inconel 718 AMS 5663 Bolts, Inconel 718 AMS 5663 FAsteners, Inconel 718 AMS 5663 Screws, Inconel 718 AMS 5962 bolts, Inconel 718 AMS 5962 fasteners, Inconel 718 AMS 5962 screws | Leave a comment

MP35N for Extreme Strength of 230 ksi

Posted on October 28, 2019 by dean

Q: I am in need of six 7/8″ diameter bolts, 9″ in length, that can withstand about 230,000 psi in tensile stress for infrastructure project. Do you have any bolt that can meet this strength requirement? A: When you are talking about extremely high strength in the range of 230 … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners | Tagged MP35N bolts for 230ksi tensile strength, MP35N bolts for high strength, MP35N bolts for ultimate tensile strength, MP35N fasteners for 230ksi tensile strength, MP35N fasteners for high strength, MP35N fasteners for ultimate tensile strength | Leave a comment

A286 Bolts Ideal for High Temperature Exhaust Streams

Posted on October 2, 2019 by dean

Q: I’m looking for bolts/nuts material able to withstand to cycling temperature changes from 20 Celsius up to 600 Celsius. Strength is also important . Looking for something with tensile strength at least 800 Mpa. The application is diesel engine exhaust manifold. Looking at your web site not sure Inconel … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Tagged A286 bolts for high temperature exhaust compensators, A286 bolts for high temperature exhaust streams, A286 bolts in high temperature exhaust streams, A286 fasteners for high temperature exhaust, A286 in high temperature exhaust streams, A286 screws for high temperature exhaust, Alloy 660 bolts, Alloy 660 bolts for high temperature exhaust streams, Alloy 660 bolts for high temperature strength, Alloy 660 fasteners for high temperature strength, Alloy 660 screws for high temperature strength | Leave a comment

A286 Bolts for Diesel Engine Exhaust Stream

Posted on July 24, 2019 by dean

Q: Looking for bolts that will be used for large Diesel engine exhaust compensators in a power plant. The normal operating temp of the exhaust is 700 degrees F at full load. Loads do fluctuate often and engines experience downtime. The exhaust system does experience extreme force and vibration. Any … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged A286 bolts for diesel engine exhuast streams, A286 bolts for exhaust streams, A286 bolts for high strength, A286 bolts for high temperature exhaust compensators, A286 bolts for high temperature strength, A286 fasteners for exhaust streams, A286 Fasteners for high Strength, A286 fasteners for high temperature exhaust compensators, A286 fasteners for high temperature strength, A286 screws for exhaust streams, A286 screws for high strength, A286 screws for high temperature exhaust compensators, A286 screws for high temperature strength | Leave a comment

Pure Tungsten vs. Alloyed Tungsten Fasteners

Posted on July 24, 2019 by dean

Q: I see that you list 5 different grades of Tungsten on your site, would you maybe help me choose which is the best for my application? A: There are two important differences. First, pure tungsten screws are stronger. For example 99.95% tungsten offers 142 ksi UTS vs Class 1 … Continue reading →

Posted in Application, FAQs, High Strength | Tagged difference between pure tungsten and alloyed tungsten, pure tungsten fasteners, pure tungsten screws, tungsten alloy fasteners, tungsten alloy screws, tungsten fasteners, tungsten fasteners for strength, tungsten screws, tungsten screws for strength | Leave a comment

Which Polymer Is Right for You?

Posted on July 24, 2019 by dean

PEEK, PVDF and PTFE all offer lightweight, electrical & thermal insulation and great corrosion resistance. But when it comes to strength, temperature, purity and corrosion, each has its niche. The newsletter points out which is best to use in different conditions. TEMPERATURE PEEK and PTFE screws offer excellent high temperature … Continue reading →

Posted in Application, Blog, Corrosion Resistance, Engineered Polymer Fasteners, High Strength, High Temperature Resistance, Lightweight, Material | Tagged corrosion resistant polymer bolts, corrosion resistant polymer screws, high strength polymer bolts, High strength polymer fasteners, high strength polymer screws, high temperature polymer bolts, high temperature polymer screws, high temperature resistant polymer fasteners, high temperature resistant polymer scres, polymer bolts for corrosion, polymer bolts for high temperature, polymer fasteners for corrosion, polymer screws for corrosion, Polymer screws for high temperature | Leave a comment

Age Hardened 17-4PH and A286 Bolts: Strength & Ductility

Posted on May 2, 2019 by dean

Q: An application with limited space using a #4-40 screw with an assumed tensile strength of 120,000 PSI. This screw continues to break. Do you offer a screw with a higher strength? Also, This screw is used to hold a plate to the end of an air cylinder. It probably … Continue reading →

A4-80 vs Monel K500 Fasteners in Sea Water

Posted on April 3, 2019 by dean

Q: For a marine project will 316SS cold worked (grade A4-80) hold up in strength pretty close to Monel K500? And what is the price comparison? A: Thanks for contacting and good question. The major difference is the strength and corrosion resistance. You will have decent strength of a A4-80 … Continue reading →

17-4 Corrosion Resistance and Strength?

Posted on April 3, 2019 by dean

Q: I need a material that offers about 80-90ksi yield but is also corrosion resistant to low concentrations of sulfur acid. I’m tried 17-4Ph but its not working? Any ideas. A: Yes, 17-4PH fasteners are excellent for high strength like you need, but are not really geared for corrosion resistance … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged 17-4PH bolts corrosion resistance, 17-4PH bolts for high strength, 17-4PH bolts for strength, 17-4PH fasteners corrosion resistance, 17-4PH fasteners for high strength, 17-4PH fasteners for strength, 17-4PH screws corrosion resistance, 17-4PH screws for high strength, 17-4PH screws for strength, 17-4PH vs Alloy 625, 17-4PH vs Inconel 625 | Leave a comment

Do’s and Don’ts of Titanium Fasteners

Posted on March 25, 2019 by dean

Titanium is an amazing material offering strength, lightness of weight, and corrosion resistance but there are also instances that titanium should not be used. This brief newsletter covers the do’s and don’ts of titanium screws. Do Use for Saltwater & Chloride Resistance One of the most noteworthy uses of titanium … Continue reading →

Posted in Application, Blog, Corrosion Resistance, High Strength, Lightweight, Specialty Metal Fasteners | Tagged titanium bolts for chloride, Titanium bolts for chloride corrosion, titanium bolts for saltwater, titanium bolts for saltwater corrosion, titanium fastener applications, titanium fastener uses, titanium fasteners for chloride, Titanium fasteners for chloride corrosion, titanium fasteners for saltwater, titanium fasteners for saltwater corrosion, titanium screws for chloride, Titanium screws for chloride corrosion, titanium screws for saltwater, titanium screws for saltwater corrosion | Leave a comment

17-4 Corrosion Resistance to Sulfuric Acid & Inconel

Posted on February 27, 2019 by dean

Q: Are there any materials I can use with the strength of 17-4PH in the H1150 heat treat, but with better corrosion resistant properties. I have low levels of sulfuric acid and chlorides that seem to be attacking the 17-4 steel. A: The best choice for both extreme strength and … Continue reading →

Inconel vs 310 Stainless Steel Bolts

Posted on January 23, 2019 by dean

Q: I have a high temperature application that can reach close to 1800F that requires not just corrosion resistance from low levels of acid and salt contamination, but I also need good strength. Would Alloy 310 bolts work? A: Alloy 310 bolts could be a possibility, depending on the strength … Continue reading →

Posted in Corrosion Resistance, FAQs, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Tagged Alloy 625 bolts for high temperature corrosion resistance, Alloy 625 fasteners for high temperature corrosion resistance, Alloy 625 screws for high temperature corrosion resistance, Inconel bolts for high strength corrosion resistance, Inconel bolts for high temperature corrosion resistance, Inconel fasteners for high strength corrosion resistance, Inconel fasteners for high temperature corrosion resistance, Inconel screws for high strength corrosion resistance, Inconel screws for high temperature corrosion resistance | Leave a comment

Overview of Extreme High Strength Fasteners

Posted on November 2, 2018 by dean

Extreme high strength fasteners made from advanced alloys allow industries such as aerospace, mining, and oil & gas to push the limits of what is possible. With requirements of ultimate tensile strengths beyond 200ksi this newsletter reviews these materials, their specific traits and niches. 17-4 PH Age hardened, 17-4PH … Continue reading →

TZM for High Strength Bolting for 1500F Vacuum

Posted on October 24, 2018 by dean

Q: I’m looking into a bolt which will be used to create vacuum seal with graphite and hold vacuum of 1 Pa. I’ve tried Inconel 718 but they seem to fail loosen at high temperatures, and my system requires 1500 F. Because I am trying to seal a vacuum system, … Continue reading →

Posted in Application, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged Inconel 718 bolts for high temperature, Inconel 718 fasteners for high temperature, Inconel 718 screws for high temperature, TZM bolts for high temperature, TZM bolts for vacuum application, TZM fasteners for high temperature, TZM for vacuum application, TZM screws for high temperature, TZM screws for vacuum application | Leave a comment

How to Choose High Temp Oxidation Resistant Fasteners

Posted on October 3, 2018 by dean

From thermal processing and furnace applications to the extreme demands of aerospace, several high temperature alloys are available each with unique traits and capabilities. This brief newsletter will outline the primary fastener materials that are commonly used for excellent high temperature and oxidation resistance. Best High Temperature Oxidation Resistant Fasteners … Continue reading →

Posted in Advanced Ceramic Fasteners, Application, Blog, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged 310SS bolts for cyclic conditions, 310SS cyclic conditions, 310SS screws for cyclic conditions, A286 bolts for oxidation resistance, A286 fasteners for oxidation resistance, A286 screws for oxidation resistance, Alloy 330 bolts for high temperature oxidation, Alloy 330 bolts for high temperature oxidation resistance, Alloy 330 bolts for high temperatures, Alloy 330 screws for high temperatures, Bolts for cyclic conditions, bolts for high temperature oxidation resistance, bolts for oxidation and caburization resistance, bolts for oxidation resistance, Fasteners for cyclic conditions, fasteners for high temperature oxidation resistance, fasteners for oxidation resistance, Materials for cyclic conditions, Screws for cyclic conditions, screws for high temperature oxidation resistance, screws for oxidation and caburization resistance, screws for oxidation resistance | 1 Comment

17-4PH Bolts Galling Solutions

Posted on September 4, 2018 by dean

Q: We are a manufacturer seeking a fastener for an air cooled engine’s head bolt replacement project. The fastener would be used to hold a aluminum cylinder head. We would like to use 17-4PH but are concerned about galling? A: As you would be using two different materials, the 17-4PH … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners | Tagged 17-4PH anti-seize lubricant, 17-4PH bolts anti-seize lubricant, 17-4PH Bolts Galling, 17-4PH fasteners anti-seize lubricant, 17-4PH fasteners galling, 17-4PH screws anti-seize lubricant, 17-4PH screws Galling | Leave a comment

MP159 Screws for High Temperatures

Posted on June 19, 2018 by dean

Q: I’m in the testing phase of a new application that will require a high strength bolt that has a yield strength of about 220ksi. The biggest problem is that the bolts will also be exposed to burst of high temperature of about 1000F. Is there any material you can … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged A286 High Temperature Fasteners, MP159 bolts for high strength, MP159 bolts for high temperature, MP159 fasteners for high strength, MP159 fasteners for high temperature, MP159 for high temperatures, MP159 hi temperature screws, MP159 high strength bolts, MP159 high strength fasteners, MP159 high strength screws, MP159 high temperature bolts, MP159 screws for high temperature | Leave a comment

Preventing Fastener Galling

Posted on June 12, 2018 by dean

Q: I’m having issues with thread galling. We’ve switch to coarse threads and tried to slow down installation speed/over-tightening. Any other ways we can prevent this? A: There are a few other things to consider in reducing thread galling. First, when possible use dissimilar metals with different hardness. Having material … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged anti galling lube, anti galling lubricant, anti seize lubricant, anti-seize lube, high temperature thread galling, high temperature thread galling prevention, moly disulfide, molybdenum, molybdenum disulfide, Thread galling, thread galling lube, thread galling lubricant, Thread galling prevention | Leave a comment

PEEK Screw Strength vs FDA Approved PTFE Screws

Posted on April 2, 2018 by dean

Q: I work in the food industry and need a larger sized polymer fastener sized 1/4-20 x 2.5″. I tried PTFE but it isn’t does not seem to have enough strength. It also needs to be FDA approved and offer moderate corrosion resistance. A: Not knowing the specific strength requirements … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners, Ultra Purity | Tagged FDA approved fasteners, FDA approved PEEK fasteners, FDA approved polymer fasteners, High strength polymer fasteners, high strength polymer screws, PEEK fasteners for high strength, PEEK fasteners for purity, PEEK for high strength, PEEK high strength fastener, PEEK high strength screws, PEEK Screws FDA approved, PEEK screws for high strength, PEEK screws for purity | Leave a comment

High Temperature A-286 Fasteners vs Molybdenum fasteners

Posted on March 21, 2018 by dean

Q: I need some high temperature engine components that can provide high strength (100ksi yield) to 1000F as well as oxidation resistance? Are molybdenum bolts good for that? A: Though Molybdenum is excellent in high temperature environments its generally reserved for very high temperature vacuum application where no oxygen is … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Tagged A286 bolts for high strength, A286 bolts for oxidation resistance, A286 Fasteners for high Strength, A286 for high strength, A286 High Temperature Fasteners, bolts for oxidation resistance, Fasteners for high temeprature oxidation resistance, fasteners for oxidation resistance, Molybdenum bolts for high temperature, Molybdenum fasteners for high temperature | Leave a comment

Titanium vs Super Duplex Bolts in Chlor-Alkali

Posted on March 15, 2018 by dean

Q: I’m running a chlor-alkali process and have been using Duplex 2507 bolts. I choose them for their yield strength and corrosion resistance but am still having issues with the chlorine. Ideas? A: Many chlor alkali processes use Titanium fasteners for its combination of high strength and chlorine resistance. Grade … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Bolts for chlor-alkali, Bolts for chlorine corrosion, chlor-alkali bolts, chlor-alkali fasteners, Chlorine corrosion, Duplex 2507 for chlor alkali, Duplex bolts for chlor alkali, Duplex for chlor alkali, Duplex Steel for chlor alkali, Fasteners for chlor-alkali, Fasteners for chlorine corrosion, Titanium bolts for chlor alkali, Titanium for chlor alkali | Leave a comment

Titanium Grade 5 Screws for High Strength, Non-Magnetic Application

Posted on March 2, 2018 by dean

Q: I work in the fusion technology field, specifically in a plasma physics laboratory. We are currently using a large number of A-286 screws. The screws have to withstand the high pre-loads required to insure the ultra high vacuum tightness of our facilities (generating stresses in the screws of up … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners | Tagged Grade 5 non-magnetic screws, non-magnetic bolts, non-magnetic metal screws, non-magnetic screws, Titanium screws for high strength, titanium screws for non-magnetic, titanium screws for non-magnetic applications | Leave a comment

PEEK vs Ceramic Fasteners for Strength & Electrical Resistance

Posted on February 28, 2018 by dean

Q: I am looking for some high tensile strength studs with good electricity resistance. I think zirconia of aluminia material will be suitable but I am open for suggestions. The studs would be about 5 inches long. A: Probably ceramics fasteners are not the best choice for this situation. It … Continue reading →

Posted in Advanced Ceramic Fasteners, Application, Engineered Polymer Fasteners, FAQs, High Strength, Non-Conductive | Tagged non-conductive bolts, non-conductive ceramic fasteners, non-conductive fasterns, non-conductive PEEK fasteners, non-conductive polymer fasteners, non-conductive screws | Leave a comment

17-4PH Bolts for Strength & Ductility

Posted on February 20, 2018 by dean

Q: Hello, I currently have an application that requires high strength set screws. One of our machines uses air cylinders with threaded shaft ends made of alloy steel set screws. The set screws are actually shearing off in our application, causing damage to the cylinders and equipment. I am looking … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners | Tagged 17-4PH bolt yield strength, 17-4PH bolts, 17-4PH fastener yield strength, 17-4PH heat treated bolts, 17-4PH heat treated fastenres, 17-4PH strength, 17-4PH vs 316 strength, Strength of steel vs 17-4PH | Leave a comment

A-286 Bolts to Combat Stress Relaxing & Creep

Posted on January 31, 2018 by dean

Q: Hi, I need a 1.25” X 15” bolt that can operate in continuous temperatures of 1000F. Currently we are using a heat treated carbon based 4140 fabricated machined bolt. At these temps the bolts are “Stress Relaxing” and we are losing our clamping pressure. In addition, when we change … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners | Tagged A286 bolts, bolt for creep resistance, bolt for high temperature, bolts to prevent stress relaxing, creep resistant bolt, Stress relaxing | Leave a comment

Difference between Waspaloy and Inconel 718 fasteners

Posted on January 24, 2018 by dean

I have a high temperature and strength application when would I choose Waspaloy bolts verses Inconel 718 bolts? Great question. Waspaloy and Inconel 718 bolts are both excellent in high temperature strength situations. In terms of strength, Inconel 718 has a edge over Waspaloy offering 210 ksi (ultimate tensile strength) … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Tagged high strength bolt, high temperature bolt, Inconel 718 bolts, Inconel Bolts, Waspaloy bolts | Leave a comment

Titanium bolts: Light weight fasteners that are stronger than aluminum

Posted on December 7, 2017 by dean

Q: I have a lightweight application that requires high strength. I’ve tried aluminum screws because I thought they were ultra lightweight but after breaking I increased my bolt size and now I have more weight and still breakage. No sure what to do. A: Yes aluminum is a lightweight material … Continue reading →

Posted in Application, FAQs, High Strength, Lightweight, Material, Specialty Metal Fasteners | Tagged 6AI-4V, High Strength, lighteight, Titanium, Titanium gr 5, Titanium Grade 5 | Leave a comment

Inconel & Alloy 330 bolts for high temperature strength

Posted on November 20, 2017 by dean

Q: My customer is having an issue with his stainless steel fastener bending. They are being used in a high-heat application running at approximately 1600F. Is this normal? Any ideas? A: This is definitely expected at these temperatures. If temperature and strength are you main focus, I would suggest either … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Tagged Alloy 330, Alloy 600, High Strength, High Temperature, Inconel, Inconel 600 | Leave a comment

Duplex 2507 bolts for high strength application in salt air

Posted on November 15, 2017 by dean

Q: I have a high strength application that requires resistance to damp salt air and occasional sea splash, I’m using Monel 400 but it’s not holding up the the 75ksi of yield I need. Lots of broken bolts? Is is corrosion or strength? Thoughts? A: Your issue isn’t the corrosion. … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Alloy 400, Alloy K500, Corrosion, Duplex 2507, Duplex Steel, Monel, Monel 400, Monel K500, salt water, salt water corrosion, sea water corrosion, seawater | Leave a comment

Bolt resistant to sodium hypochlorite with 80ksi yield strength

Posted on November 7, 2017 by dean

Q: I’m looking for guidance on fasteners with good resistance exposure to sodium hypochlorite. The material would need to be bleach-resistance, but also have a tensile yield strength of over 80ksi.

Posted in Application, Corrosion Resistance, FAQs, High Strength, Specialty Metal Fasteners | Tagged bleach, bleach corrosion, sodium hypochlorite, Titanium, titanium gr 2, Titanium gr 5, Titanium Grade 2, Titanium Grade 5, waste water treatment | Leave a comment

Hastelloy and Incoloy: Fasteners for Oil Field Corrosion

Posted on September 29, 2017 by dean

Oilfields are subjected to a diversity of corrosive elements including carbonic acids, sour gas (H2S), and fracking/stimulant acids such as hydrochloric and hydrofluoric acid. Naphthenic acids and simple organic acids are also found in crude oil extraction. In conjunction to acids, these environments contain sand and other abrasive elements which … Continue reading →

Posted in Application, Blog, Corrosion Resistance, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Tagged fracking corrosion, Hastelloy, hastelloy C2000, Hastelloy C276, Hydrochloric Acid, Hydrochloric acid resistance, Hydrofluoric acid, Incoloy, Incoloy 825, Incoloy 925, oil & gas corrosion, Oil Corrosion, sour gas, sour gas well, sulfur corrosion, Sulfur corrosion resistance, sulfur-induced stress cracking | 1 Comment

Yield strength difference between MP35N and A286 bolts

Posted on August 14, 2017 by dean

Q: I need high yield strength material what is the difference between MP35N and A286? Which is more economic? A: Overall MP35N is perhaps the highest yield strength bolt material available to industry with a typical yield of 250 ksi compared to A286’s 111 ksi; though it is extremely expensive. A286 … Continue reading →

Posted in Application, FAQs, High Strength, Specialty Metal Fasteners | Tagged A-286, A286, MP35N | Leave a comment

Bolt for hot hydrogen sulfide, CO2, hydrocarbons & salt water

Posted on August 9, 2017 by dean

Q: I need a material that will be suitable for oil and gas use. Submersion in hydrogen sulfide, carbon dioxide, hydrocarbons, salt water at temperatures up to 325F. Crevice corrosion has been a factor. Also need 170ksi min tensile strength. Plus we’d like to torque a 3/8-24 fastener to 50 … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Specialty Metal Fasteners, Uncategorized | Tagged Alloy 718, bolt torque, Crevice Corrosion, hydrogen sulfide, Inconel, Inconel 718, oil & gas, salt water corrosion, sour gas | Leave a comment

Fastener for cyrogenic application

Posted on August 3, 2017 by dean

Q: I need to attach an LNG cryogenic pump and need to make sure I use a material that can withstand temperatures of –120 °F as well as don’t embrittle when fluctuating back to room temperature. Any suggestions? A: Monel K500 is a common choice for cyrogenic fasteners. It can … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Specialty Metal Fasteners, Uncategorized | Tagged Alloy 500, Alloy K500, Cryogenic, Monel, Monel K500, non-magnetic, Spark Resistant | Leave a comment

Why ceramic bolts don’t have yield strength

Posted on June 19, 2017 by dean

Q: I was looking at your site and noticed that the ceramics don’t have a yield strength. What does that mean? A: Metals and plastic have yield strengths because they start to stretch before breaking… the point where they start stretching is the “yield point” and the stress at that … Continue reading →

Posted in Advanced Ceramic Fasteners, Application, FAQs, High Strength, Material | Tagged ceramics, metals, polymers, Tensile Strength, Yield Strength | Leave a comment

Polymer screw resistant to chlorine and chlorine dioxide

Posted on June 16, 2017 by dean

Q: I’m looking for a chemically resistant polymer that can withstand chlorine and chlorine dioxide as well as a decent amount of weight and tension (around 27 lbs of weigh). Can you suggest a material? A: Of course it depends on the concentrations and temperatures you are operating at but generally … Continue reading →

Posted in Application, Engineered Polymer Fasteners, FAQs, High Strength, Material | Tagged Chlorine, chlorine dioxide, corrosion resistant, Kynar, PVDF | Leave a comment

17-4PH bolts for high pressure sour gas well

Posted on June 12, 2017 by dean

Q: I’ve got in a high pressure sour gas well. We’ve been having trouble with 316 stainless steel components breaking. I need a solution but not sure what to use. A: High pressures and sour gas combined can cause cracking and corrosion in most standard stainless and alloy steels. Depending … Continue reading →

Posted in Application, High Strength | Tagged 17-4 PH, 17-4PH, 316, 316SS, MP35N, sour gas, Stress Corrosion Cracking | Leave a comment

Duplex 2507 bolts for salt air corrosion resistance

Posted on June 6, 2017 by dean

Q: I’m working on a structural project that not submerged in salt water but exposed to moist salt air. I’m not only concerned about the supports having fasteners that won’t corrode but also having a fastener that is high strength. Any suggestions. A: Though I don’t know the specific strength … Continue reading →

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Duplex, Duplex 2205, Duplex 2507, Duplex Steel | Leave a comment

Inconel bolts vs. Monel bolts. What’s the difference? Which is better?

Posted on May 11, 2017 by dean

They rhyme, are both used in extreme environments, and are both nickel metal alloys, but Monel and Inconel are actually very different. But how? Let’s start with basic chemistry. Monel is a nickel-copper alloy and Inconel is a nickel-chromium alloy. So what does that mean for your extreme application? We … Continue reading →

Posted in Application, Blog, Corrosion Resistance, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Tagged Alloy 400, Alloy 625, Corrosion, hastelloy C2000, High Temperature, Hydrofluoric acid, Inconel, Inconel 625, Monel, Monel 400, saltwater corrosion, sea water corrosion | 1 Comment

Hastelloy C22 fasteners used in wet chloride

Posted on May 1, 2017 by dean

Q: I have a waste water purifying situation where I’m using chlorine to treat the water. In addition to the acidic solution produced the fastener will also experience high loads, so I’m also concerned with stress corrosion cracking. Currently Super Duplex 2507 is not doing the job. Any recommendations on … Continue reading →

Posted in Application, Corrosion Resistance, FAQs, High Strength, Specialty Metal Fasteners | Tagged Alloy C22, C22, Crevice Corrosion, ferric chloride, Hastelloy C22, pitting corrosion, Stress Corrosion Cracking, Tensile Strength, wet choride | Leave a comment

Titanium grade 5 bolts for lightweight robotic application

Posted on April 25, 2017 by dean

Q: I have a robotic application where I need a fastener that is both lightweight and strong. Also, the style of the fastener needs to provide a wide clamping area in a low clearance area. Any suggestions? A: A material you might consider is Titanium, grade 5. The most common … Continue reading →

Posted in Application, FAQs, High Strength, Lightweight, Specialty Metal Fasteners | Tagged button head cap screw, grade 2, grade 5, low clearance fastener, low clearance screw, pan head screw, socket driver, Titanium, Titanium Grade 2, Titanium Grade 5 | Leave a comment

Best creep resistance polymer fastener

Posted on April 10, 2017 by dean

Q: How does creep occur and what polymer is best to prevent this? A: Creep is the permanent deformation of the material caused by constant load or stress, usually accompanied by constant high temperature. This can result in permanent changes of the fastener shape as well weakening and fracturing of the … Continue reading →

Posted in Engineered Polymer Fasteners, FAQs, High Strength | Tagged creep resistant, PEEK, polymers screws | Leave a comment

Usable temperature limit of Inconel 718 bolts

Posted on April 7, 2017 by dean

Q: What is the highest temperature I could use Inconel 718 bolts? A: Inconel 718 fasteners could be used reliably up to about 1300F. Because Inconel 718 is heat treated or age hardened at 1325F, going beyond 1300F will significantly affect its strength properties. Furthermore, its strength may not fully return. … Continue reading →

Posted in FAQs, High Strength, High Temperature Resistance, Specialty Metal Fasteners | Tagged High Temperature, Inconel 718 | Leave a comment

Best flange for high pressure hydrochloric acid

Posted on March 24, 2017 by dean

Q: I have a high pressure application with HCl at fluctuating temperatures. Can you recommend the best flange to provide a safe secure joint? A: Hands down, the weld neck flange is best for these types of hazardous, high pressure applications. Weld neck flanges are easily identified by their long … Continue reading →

Posted in Corrosion Resistance, FAQs, High Strength, High Temperature Resistance, Uncategorized | Tagged ASME flange, flange, High Pressure Flange, High Temperature Flange, Weld Neck Flange | Leave a comment

Best uses for a threaded flange

Posted on March 24, 2017 by dean

Q: When do you recommend to use a threaded flange? I need a flange that can be changed easily & frequently. A: After speaking with the customer, I found out that he has a pilot plant where he will be frequently changing parts. In this case a threaded flange is … Continue reading →

Posted in Corrosion Resistance, FAQs, High Strength, High Temperature Resistance, Lightweight, Non-Conductive, Specialty Metal Fasteners, Ultra Purity, Uncategorized | Tagged dangerous application, flammable application, flange, pilot process, small pipe diameters, tapered pipe thread, threaded flange | Leave a comment

Calculating bolt break force or yield

Posted on March 22, 2017 by dean

Q: How do I calculate the actual break force or yield of a bolt for a particular size? A: The Ultimate Tensile properties for a material like Hastelloy C276 is independent of the size of the bolt, as its based on the x-sectional area of the bolt which typically … Continue reading →

Posted in FAQs, High Strength, Specialty Metal Fasteners | Tagged Break Force, Tensile Strength, UTS, Yield Strength | Leave a comment

Zirconia vs alumina fasteners

Posted on February 8, 2017 by dean

Q: What advantages does Zirconia have over Alumina? A: Usually for most high temperature or electric insulator applications where ceramics are needed, alumina ceramic fasteners are the most popular choice due to their properties and relatively affordable price compared to zirconia fasteners. However sometimes the extreme properties of zirconia fasteners … Continue reading →

Posted in Advanced Ceramic Fasteners, FAQs, High Strength, High Temperature Resistance | Tagged Alumina, alumina fastener, aluminal ceramic, Zirconia, zirconia ceramic, zirconia fastener | Leave a comment

PEEK screws as nylon alternative

Posted on February 8, 2017 by dean

Q: Can you provide alternative for a nylon pan head screw? A: Here the customer needed an alternative to nylon. Resistance to electrical fields was a primary concern. In addition, he also needed a material that had a better dissipation factor than nylon. In this situation we would recommend PEEK. It … Continue reading →

Posted in Engineered Polymer Fasteners, FAQs, High Strength, Non-Conductive | Tagged dissipation, electrical resistance, electromagnetic, nylon, PEEK, PEEK bolt, PEEK fastener, PEEK screw | Leave a comment

17-4 PH

Bolts

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Threaded Rod

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254 SMO

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310SS

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Nuts

Screws

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AL6XN

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A-286

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Alloy 20

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Alloy 330

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Alloy 926

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Aluminum 7075

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Duplex Steel

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Hastelloy

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Studs

Threaded Rod

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Incoloy

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Nuts

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Threaded Rod