S-91375A710 1/2"-13 x 3/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide coating, ideal for harsh industrial environments
• Superior thread precision with Class 3A fit ensures reliable, vibration-resistant fastening
• High-strength alloy steel construction with Rockwell C45 hardness for maximum durability
• Easy installation and removal with 1/4" hex drive in a compact headless design
• Optimized for heavy-duty applications using coarse UNC threads for rapid assembly
• Full regulatory compliance with ASME B18.3, RoHS 3, and REACH for global supply chain integration
• Right-hand threading provides standard directional security in machinery and equipment

Professional Applications & Engineering Value

This black-oxide alloy steel set screw delivers critical performance in demanding applications where corrosion resistance and high-strength fastening are paramount. The Class 3A thread fit eliminates play in precision assemblies, preventing loosening under vibration in machinery, automotive components, and industrial equipment. Its headless design with hex drive allows flush mounting in confined spaces while maintaining high torque capability. The coarse UNC threading ensures rapid installation and superior holding power in soft materials or where frequent adjustments are needed. Engineered to ASME B18.3 specifications, this set screw provides reliable performance in production lines, maintenance operations, and OEM equipment manufacturing.

Specification Summary & Compliance

This 1/2"-13 UNC set screw features precise Class 3A thread fit with coarse thread spacing and right-hand direction. Manufactured from alloy steel with black-oxide surface treatment and Rockwell C45 hardness rating. Fully compliant with ASME B18.3 manufacturing standards, RoHS 3 (2015/863/EU) for hazardous substance restrictions, and REACH (EC 1907/2006) regulations for chemical safety.