S-90008A321 10-24 x 1/2" ASME B18.3, ASTM F837 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with silver-plated 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Precise Class 3A thread fit ensures secure fastening with minimal vibration loosening in critical assemblies
• Standard hex socket drive (5/32") enables high-torque installation with common tools while maintaining clean head profiles
• Coarse UNC threading (10-24) provides rapid installation and superior resistance to cross-threading
• Full threading along 1/2" length offers maximum adjustment flexibility and uniform stress distribution
• Comprehensive regulatory compliance meets ASME B18.3, ASTM F837, RoHS 3, and REACH standards for global industrial applications

Professional Applications & Engineering Value

These silver-plated 18-8 stainless steel socket head cap screws deliver critical performance advantages in demanding applications where corrosion resistance and mechanical reliability are paramount. The Class 3A thread fit provides superior dimensional accuracy for precision assemblies in aerospace, automotive, and heavy machinery applications, eliminating play and reducing maintenance cycles. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures dependable performance under dynamic loads and vibration, while the silver plating enhances both corrosion protection and electrical conductivity. The UNC coarse threading and hex socket drive system enable rapid installation in confined spaces, making these industrial fasteners ideal for production lines and field maintenance where time efficiency matters.

Specification Summary & Compliance

Manufactured to exacting ASME B18.3 specifications and ASTM F837 standards, these socket head cap screws feature precision Class 3A thread fit with 10-24 UNC coarse threads in inch system measurements. The fully threaded design maintains consistent engagement while the 5/16" head diameter and standard socket profile ensure compatibility with standard tooling. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and unrestricted use in global markets.