S-94105A363 5/16"-18 x 7/16" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating that protects against rust and extends service life in harsh industrial environments
• Exceptional holding power from Class 3A thread fit ensuring tight, secure fastening with minimal vibration loosening
• High-strength durability through Rockwell C45 hardened alloy steel construction that withstands heavy loads and repeated use
• Optimized installation efficiency with 5/32" hex drive design allowing quick, secure tool engagement without stripping
• Reliable positioning accuracy using flat tip design that creates consistent surface contact and prevents component damage
• Broad compatibility with UNC coarse threads that provide faster installation and better performance in most materials
• Industry compliance assurance meeting ASME B18.3 and ASTM F912 specifications for guaranteed dimensional accuracy and performance

Professional Applications & Engineering Value

This 5/16"-18 UNC set screw delivers critical engineering solutions for industrial applications where vibration resistance and secure positioning are paramount. The black-oxide alloy steel construction provides essential corrosion protection while maintaining the Rockwell C45 hardness needed for demanding environments. The Class 3A thread fit ensures precise engagement with mating components, eliminating play and maintaining alignment in machinery, automotive assemblies, and precision equipment. The headless design with hex drive allows for flush mounting in confined spaces while the flat tip distributes pressure evenly, preventing surface deformation. These features make it ideal for permanent fastening applications requiring reliable, long-term performance without maintenance intervention.

Specification Summary & Compliance

This set screw maintains Class 3A thread fit tolerance per UNC standards with 5/16"-18 coarse threading and right-hand thread direction. Manufactured to ASME B18.3 specifications and ASTM F912 material standards, ensuring dimensional precision and mechanical properties. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming safe use across industrial sectors.