Hastelloy Tamper Proof Screws for Sulfuric Acid Protection

Q: I have a hazardous application that involves sulfuric acid. We need to prevent anyone from tampering with this application. Can you help me out with a solution?

A: Yes. First regarding the sulfuric acid, you’ll need a bolt that can resist this type of environment. Depending on the concentration and temperature, Hastelloy is typically
a good choice. Hastelloy bolts are very resistant to many concentrations of hot sulfuric acid. This chart can provide more in-depth details.

Regarding your second issue. A security screw would be the best option in order to prevent application tampering. Hastelloy security screws come in many different head styles and have unique driver styles that cannot be removed with a standard driver such as a wrench or philips head. This type of screw may be the answer to helping protect your application.

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