S-91274A008 6-32 x 3/8" ASME B18.3, ASTM A574, ASTM B117 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc-flake coating, ideal for harsh industrial environments
• Superior tensile strength of 170,000 psi ensures reliable performance under high-stress conditions
• Precision Class 3A thread fit provides secure, vibration-resistant fastening in critical assemblies
• Rockwell C37 hardness rating delivers excellent wear resistance and long-term durability
• Standard hex drive (7/64") design allows for easy installation with common tools in confined spaces
• Fully threaded 6-32 UNC coarse thread enables maximum grip length and adjustment flexibility
• Comprehensive compliance with ASME B18.3, ASTM A574, and environmental regulations for guaranteed quality

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these zinc-flake-coated alloy steel socket head cap screws solve critical fastening challenges where corrosion resistance and high strength are paramount. The 6-32 UNC coarse thread with Class 3A fit ensures precise engagement in metal assemblies, reducing the risk of thread stripping under vibration. With a 170,000 psi tensile strength and Rockwell C37 hardness, they maintain integrity in heavy machinery, automotive components, and precision equipment. The zinc-flake coating provides superior protection against rust and chemical exposure, extending service life in outdoor or corrosive environments while the socket head design facilitates installation in space-constrained applications.

Specification Summary & Compliance

This socket head cap screw features precision 6-32 UNC coarse threads with Class 3A fit for tight tolerance applications. Manufactured to ASME B18.3 and ASTM A574 specifications, it undergoes ASTM B117 testing for corrosion resistance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.