S-92311A191 8-32 x 5/16" 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
• Maximum holding power through cup point design that bites into materials for secure, vibration-resistant connections
• Precise thread engagement with Class 3A fit ensuring tight tolerances and reliable performance in critical applications
• Enhanced durability from Rockwell B80 hardness, providing excellent wear resistance and long service life
• Easy installation and removal with 5/64" hex drive design that accommodates standard tools while maintaining headless profile
• Reliable coarse threading (UNC) that resists loosening under vibration and allows for quick assembly
• Comprehensive regulatory compliance meeting ASME B18.3 standards, RoHS 3, and REACH for global market acceptance

Professional Applications & Engineering Value

This 8-32 UNC set screw delivers exceptional engineering value in demanding industrial applications where vibration resistance and corrosion protection are critical. The 18-8 stainless steel composition provides excellent resistance to rust and chemical exposure, making it ideal for machinery, automotive components, and outdoor equipment. The cup point design creates deep impressions in mating surfaces, preventing rotational slip in high-torque applications. With Class 3A thread fit precision and coarse UNC threading, this fastener maintains secure connections in vibrating environments while allowing for rapid assembly. The headless configuration with 5/64" hex drive enables flush mounting in space-constrained applications without compromising installation accessibility.

Specification Summary & Compliance

This set screw features precision 8-32 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and engagement. Manufacturing conforms to ASME B18.3 specifications ensuring consistent quality and performance. The fastener is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, making it suitable for global industrial markets and environmentally conscious manufacturing operations.