S-92311A391 9/16"-12 x 1" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash in critical assemblies
• High mechanical strength with Rockwell B80 hardness provides excellent resistance to wear and deformation
• Secure hex drive engagement (9/32") allows for high torque application without cam-out or stripping
• Effective cup tip design creates positive locking action and prevents component slippage
• Reliable coarse threading (UNC 9/16"-12) enables quick installation and superior holding power
• Comprehensive compliance with ASME B18.3 standards ensures consistent quality and interchangeability

Professional Applications & Engineering Value

This 9/16"-12 UNC hex headless set screw delivers exceptional engineering value in demanding industrial applications where vibration resistance and positional security are critical. The 18-8 stainless steel composition provides excellent corrosion resistance for machinery exposed to moisture, chemicals, or outdoor elements. The Class 3A thread fit ensures precise engagement with mating components, eliminating play in precision assemblies while the cup tip design creates deep indentation for positive locking action. These industrial set screws are particularly valuable in power transmission systems, rotating assemblies, and precision machinery where coarse threading facilitates rapid installation and the headless configuration allows for flush mounting in space-constrained applications.

Specification Summary & Compliance

Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit tolerance for superior dimensional accuracy. Features UNC 9/16"-12 coarse threads with right-hand direction and 1" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.