S-92695A127 5-40 x 3/8" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Maximum holding power with Class 3A thread fit ensuring precise, secure fastening in demanding applications
• Superior corrosion resistance from black-oxide alloy steel construction, extending service life in harsh environments
• Enhanced durability with Rockwell C45 hardness providing excellent wear resistance and mechanical strength
• Secure anti-loosening grip thanks to the 90° cone point design that digs into mating surfaces effectively
• Easy installation and removal with 1/16" hex drive providing reliable tool engagement without stripping
• Industry-standard compatibility through UNC coarse threads and right-hand threading for broad application use
• Regulatory compliance assurance meeting RoHS 3 and REACH environmental standards for global deployment

Professional Applications & Engineering Value

This 5-40 UNC set screw delivers exceptional engineering value in industrial applications where vibration resistance and permanent positioning are critical. The black-oxide alloy steel construction provides superior corrosion protection while maintaining Rockwell C45 hardness for long-term performance in mechanical assemblies, motor shafts, and precision equipment. The headless design with cone point tip creates permanent seating without protruding components, solving space-constrained installation challenges. The Class 3A thread fit ensures tighter tolerances than standard fasteners, preventing backlash in high-vibration environments while the coarse UNC threads provide rapid installation in production settings. Engineered to ASME B18.3 specifications, this set screw offers reliable performance in OEM manufacturing, automotive components, and industrial machinery where dimensional consistency is paramount.

Specification Summary & Compliance

This 3/8" length set screw features precise Class 3A thread fit with 5-40 UNC coarse threads and right-hand direction. Manufactured from black-oxide alloy steel with Rockwell C45 hardness and 90° cone point angle. The product complies with ASME B18.3 manufacturing specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe industrial use worldwide.