S-91375A193 8-32 x 7/16" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating that protects against rust and extends service life in harsh environments
• Exceptional thread precision with Class 3A fit ensuring tight, secure fastening and reduced risk of loosening under vibration
• High-strength durability from Rockwell C45 hardened alloy steel, providing reliable performance under heavy loads
• Easy installation and removal with 5/64" hex drive design that allows for efficient tool engagement in confined spaces
• Secure component positioning thanks to the cup tip design that digs into surfaces to prevent slippage
• Wide industrial compatibility with UNC coarse threads that enable quick assembly and disassembly
• Regulatory peace of mind with compliance to ASME, RoHS 3, and REACH standards for safe, global usage

Professional Applications & Engineering Value

This 8-32 UNC set screw is engineered to address common industrial challenges like component slippage and corrosion in demanding applications. The black-oxide alloy steel construction provides a protective barrier against moisture and chemicals, ideal for machinery, automotive assemblies, and electrical enclosures exposed to harsh conditions. With a Class 3A thread fit and coarse UNC threads, it ensures precise, vibration-resistant fastening that maintains alignment in high-stress environments. The headless design and 5/64" hex drive facilitate installation in tight spaces, while the cup tip securely bites into shafts or collars to prevent rotational movement. This combination of material strength, thread accuracy, and compact form makes it a reliable choice for engineers seeking longevity and performance in industrial set screws.

Specification Summary & Compliance

This set screw features precise 8-32 UNC coarse threads with a Class 3A thread fit for tight tolerances and reliable engagement. Manufacturing adheres to ASME B18.3 specifications, ensuring consistent quality and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for industrial use worldwide.