S-91375A449 10-32 x 1 1/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in demanding industrial environments.
• Exceptional thread precision with Class 3A fit for reliable, vibration-resistant fastening in critical assemblies.
• High tensile strength and durability from Rockwell C45 hardened alloy steel, preventing stripping under high torque.
• Secure, flush mounting with headless design and cup tip, ideal for applications requiring minimal protrusion.
• Efficient installation and removal using the 3/32" hex drive, compatible with standard tools for quick maintenance.
• Fine UNF thread engagement providing increased clamping force and improved load distribution.
• Compliance with major industry standards ensures consistent quality and safety in regulated applications.

Professional Applications & Engineering Value

This 10-32 UNF Class 3A set screw in black-oxide alloy steel is engineered to address common industrial challenges such as component slippage, corrosion, and assembly failure. The fine thread design and Class 3A fit ensure tight tolerances and vibration resistance, crucial for precision machinery, automotive systems, and electronics where reliable fastening is non-negotiable. The headless and cup tip configuration allows for flush installation, preventing interference in compact spaces. With Rockwell C45 hardness, it withstands repeated adjustments without deformation, making it a dependable choice for high-stress applications requiring long-term performance and minimal maintenance.

Specification Summary & Compliance

This set screw adheres to Class 3A thread fit for precise dimensional accuracy and UNF fine thread standards. It meets ASME B18.3 and ASTM F912 manufacturing specifications, ensuring consistent quality. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in environmentally sensitive and regulated industries.