S-91385A911 6-32 x 3/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Secure vibration-resistant locking with nylon pellet thread locker that maintains integrity up to 250°F
• Exceptional durability and corrosion resistance from black-oxide treated alloy steel with Rockwell C28 hardness
• Precise thread engagement with Class 3A UNC coarse threads ensuring reliable fastening in demanding applications
• Space-saving headless design with 1/16" hex drive for installations where clearance is limited
• Superior grip and holding power from the cup point tip that digs into mating surfaces
• Industry-standard compliance meeting ASME B18.3 specifications for guaranteed performance
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance

Professional Applications & Engineering Value

This black-oxide alloy steel set screw delivers critical performance in industrial applications where vibration resistance and precise positioning are paramount. The nylon pellet thread locker provides permanent locking without compromising the Class 3A UNC thread integrity, making it ideal for machinery, automotive components, and precision equipment assemblies. The headless hex drive design allows for flush mounting in confined spaces while the cup point tip creates exceptional bite into shaft surfaces, preventing slippage under high torque conditions. Engineered to withstand temperatures up to 250°F, this set screw maintains its locking capability in demanding thermal environments common in manufacturing and heavy equipment applications.

Specification Summary & Compliance

This 6-32 x 3/4" set screw features precision UNC coarse threads with Class 3A fit for superior thread engagement and meets ASME B18.3 specifications (ASTM F912). The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. Manufactured from alloy steel with black-oxide surface treatment and Rockwell C28 hardness, it delivers consistent performance in right-hand thread applications with coarse thread spacing.