S-91979A415 8-32 x 1/2" Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Maximum holding power achieved through Class 3A thread fit ensuring tight, secure fastening in demanding applications
• Enhanced installation efficiency with 5/64" hex drive allowing for quick, tool-friendly assembly and disassembly
• Optimized material displacement through cup point tip design providing excellent grip and resistance to vibration loosening
• Pressure equalization capability with vented design featuring 0.042" diameter hole preventing pressure buildup
• Reliable coarse threading with UNC 8-32 configuration offering quick assembly and superior performance in various materials
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe, sustainable industrial use

Professional Applications & Engineering Value

This 8-32 UNC set screw delivers exceptional engineering value for industrial applications requiring precision fastening solutions. The 18-8 stainless steel composition provides outstanding corrosion resistance, making it ideal for machinery, automotive components, and electrical enclosures exposed to moisture or chemicals. The hex headless design with 5/64" drive enables flush mounting in confined spaces while maintaining easy accessibility for maintenance. The cup point tip creates permanent seating marks on shafts and collars, preventing rotational slippage in high-torque environments. The innovative vented design addresses pressure differential issues in sealed systems, while the Class 3A thread fit ensures consistent, reliable performance in precision assemblies. These features combine to solve critical industrial challenges including vibration resistance, space constraints, and environmental durability.

Specification Summary & Compliance

This set screw features precision 8-32 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and tight tolerances. The fastener maintains 0.164" thread diameter and 1/2" length with right-hand thread direction. Manufacturing compliance includes adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory conformity for industrial applications worldwide.