S-92311A599 5/16"-24 x 5/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional holding power ensured by Rockwell B80 hardness and Class 3A thread fit for minimal backlash
• Secure, non-slip installation with 5/32" hex drive, preventing tool slippage and damage
• Enhanced grip and alignment from the cup tip design, reducing component movement
• Reliable fine thread engagement with 5/16"-24 UNF threads for precise adjustments in tight spaces
• Flush, space-saving installation due to headless design, perfect for confined assemblies
• Long-term durability with compliance to ASME B18.3, RoHS 3, and REACH standards

Professional Applications & Engineering Value

This 18-8 stainless steel set screw is engineered to address critical challenges in precision assemblies, such as shaft collars, gears, and pulleys, where vibration resistance and corrosion protection are paramount. The Class 3A UNF fine thread provides tighter tolerances, reducing the risk of loosening under dynamic loads, while the cup tip ensures concentrated contact pressure for superior holding power. With a 5/32" hex drive, it allows for high-torque installation without stripping, making it a reliable choice for industrial machinery, automotive components, and electronic enclosures that demand repeatable performance and compliance with ASME B18.3 specifications.

Specification Summary & Compliance

This set screw adheres to Class 3A thread fit for precise dimensional accuracy and features a 5/16"-24 UNF fine thread with right-hand direction. It meets ASME B18.3 manufacturing standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and reliability in global supply chains.