S-92311A257 1-72 x 3/8" 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 demanding environments
• Exceptional thread precision with Class 3A fit ensuring reliable, vibration-resistant fastening in critical assemblies
• Optimal torque transmission through the 0.035" hex drive design preventing tool slippage and damage
• Enhanced gripping power with cup tip configuration that bites into materials for secure component positioning
• Consistent mechanical performance backed by Rockwell B80 hardness for durable, deformation-resistant operation
• Industry-standard compliance meeting ASME B18.3 specifications for guaranteed dimensional accuracy and reliability
• Environmental regulation adherence with RoHS 3 and REACH compliance for safe use across global markets

Professional Applications & Engineering Value

This 1-72 UNF fine thread set screw delivers critical engineering solutions where space constraints and vibration resistance are paramount. The headless hex design enables flush mounting in compact assemblies while maintaining full torque capability. Manufactured from 18-8 stainless steel, it provides excellent corrosion resistance for applications exposed to moisture, chemicals, or outdoor elements. The Class 3A thread fit ensures precise engagement with mating components, eliminating play in precision machinery, optical equipment, and electronic enclosures. The cup tip configuration creates concentrated pressure points that prevent shaft slippage in power transmission systems and positioning applications. These industrial set screws are engineered to maintain clamping force under dynamic loads, making them ideal for robotics, aerospace components, and medical device manufacturing where reliability cannot be compromised.

Specification Summary & Compliance

This precision fastener features 1-72 UNF fine threads with Class 3A thread fit for exacting dimensional requirements. The right-hand thread direction and 3/8" length provide standardized installation across compatible applications. Manufacturing complies with ASME B18.3 specifications ensuring consistent quality and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to hazardous substance restrictions for global market acceptance.