S-92488A457 5/16"-18 x 3/4" ASME B18.3 High-Strength 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel construction, ideal for harsh chemical and marine environments
• Exceptional mechanical strength with 110,000 psi tensile strength for reliable performance under heavy loads
• Precise thread engagement with Class 3A thread fit ensuring vibration resistance and secure fastening
• Optimized drive efficiency through cold worked fabrication and hex socket design for maximum torque transfer
• Enhanced durability with Rockwell C25 hardness providing excellent wear resistance and longevity
• Broad compatibility with UNC coarse threads offering quick assembly and reduced cross-threading risks
• Regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial applications

Professional Applications & Engineering Value

These 316 stainless steel socket head cap screws deliver critical performance advantages in demanding engineering environments where corrosion resistance and mechanical reliability are paramount. The cold worked fabrication process enhances grain structure, providing superior tensile strength (110,000 psi) while maintaining ductility for shock absorption. The Class 3A thread fit with UNC coarse threading ensures precise engagement in high-vibration applications across machinery, marine equipment, and chemical processing systems. The hex socket drive design allows for high torque application in confined spaces, making these fully threaded fasteners ideal for critical assemblies requiring uniform clamping force distribution and maximum corrosion protection.

Specification Summary & Compliance

This 5/16"-18 UNC socket head cap screw features precise dimensional control with Class 3A thread tolerances for superior fit and vibration resistance. Manufacturing follows ASME B18.3 specifications for socket head cap screws, ensuring consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety. With Rockwell C25 hardness and 110,000 psi tensile strength, these cold worked fasteners meet rigorous industrial standards for mechanical performance and environmental responsibility.