S-92311A313 2-56 x 5/32" 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
• Maximum holding power through cup point design that bites into materials for secure, vibration-resistant fastening
• Precision thread engagement with Class 3A fit ensuring tight tolerances and reliable performance in critical applications
• Exceptional durability from Rockwell B80 hardness that maintains thread integrity under repeated use
• Space-saving installation with headless design allowing flush mounting in confined spaces
• Easy installation and removal using standard 0.035" hex tools for efficient maintenance operations
• Industry compliance assurance meeting ASME B18.3 standards and environmental regulations for global acceptance

Professional Applications & Engineering Value

These 2-56 UNC set screws deliver exceptional engineering value in precision assembly applications where space constraints and vibration resistance are critical concerns. The 18-8 stainless steel composition provides excellent corrosion resistance for demanding environments, while the cup point design creates positive locking action by embedding into mating surfaces, preventing component slippage in machinery, aerospace components, and electronic enclosures. The Class 3A thread fit ensures precise engagement with mating parts, reducing the risk of cross-threading and ensuring consistent clamping force. The headless configuration allows for flush mounting in tight spaces where protruding fasteners would interfere with moving parts or aesthetic requirements. These industrial set screws are particularly valuable in precision instruments, automation equipment, and medical devices where reliability and dimensional accuracy are paramount.

Specification Summary & Compliance

This precision fastener features 2-56 UNC coarse threads with 0.086" thread diameter and 5/32" length, manufactured to exacting Class 3A thread fit tolerances for superior engagement. The product complies with ASME B18.3 dimensional standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Right-hand thread direction with hex drive style ensures compatibility with standard industrial tools and installation practices.