S-92311A605 5/16"-24 x 1 1/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for reliable performance in harsh industrial environments
• Exceptional thread precision with Class 3A fit ensuring tight, secure fastening and vibration resistance
• Optimized torque transmission through the 5/32" hex drive design for easy installation and removal
• Enhanced gripping capability with cup tip design that provides superior holding power against rotational forces
• Consistent mechanical strength maintained through Rockwell B80 hardness for long-term durability
• Industry-standard compliance with ASME B18.3 specifications guaranteeing interchangeability and reliability
• Environmental responsibility through RoHS 3 and REACH compliance for safe use across regulated industries

Professional Applications & Engineering Value

This 5/16"-24 UNF Class 3A set screw delivers exceptional engineering value in precision assembly applications where vibration resistance and reliable positioning are critical. The 18-8 stainless steel construction provides excellent corrosion resistance for demanding environments including marine, chemical processing, and outdoor equipment. The fine thread spacing and Class 3A thread fit ensure minimal backlash and superior clamping force in precision machinery, automotive components, and aerospace assemblies. The hex headless design allows for flush mounting in confined spaces while the cup tip creates concentrated pressure points for secure shaft and collar positioning. Engineered to prevent loosening under dynamic loads, this set screw solves critical fastening challenges in rotating assemblies and precision alignment applications.

Specification Summary & Compliance

This precision fastener features 5/16"-24 UNF fine threads with Class 3A thread fit for exceptional dimensional accuracy and tight tolerances. The 1-1/4" length provides optimal engagement depth for secure fastening applications. Manufactured in compliance with ASME B18.3 standards ensuring dimensional consistency and mechanical performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental regulations for hazardous substance restrictions. The right-hand thread direction and 5/32" hex drive conform to industry-standard installation practices.