Category Archives: Lightweight

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 →

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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 →

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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 →

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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 →

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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 →

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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 →

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Lightweight & High Strength PEEK Screws

Posted on March 12, 2018 by dean

Q: I need a fastener that is very low weight and offers good wear resistance for a robotics application. I need about 40 ksi in strength. A: For your application I would actually suggest an engineered polymer fasteners since your strength requirement isn’t high enough to necessitate a metal . … Continue reading →

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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 →

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Choosing a Specialty Material Hose Clamp

Posted on August 29, 2017 by dean

Special Fasteners China. offers hose clamps in Titanium and Hastelloy C276. This newsletter overviews the two styles available – worm drive and medium duty – as well as highlight what materials are best for your application. Titanium Grade 2 hose clamps are in stock and available in the sizes shown here. Hastelloy C276 hose clamps are custom made to order … Continue reading →

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Lightweight fastener stronger than aluminum

Posted on August 3, 2017 by dean

Q: I needed a lightweight fastener and tried aluminum but it can’t come close to sustaining the weight of my application. Can you suggest anything compatibly light weight that is stronger? A: Titanium mass is about 50% less than steel however when compared to aluminium is still about 60% heavier. … Continue reading →

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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 →

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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 , , , , , , | Leave a comment