S-92185A305 8-32 x 4" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction with passivated finish
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Precise thread engagement with Class 3A fit UNC coarse threads ensuring reliable fastening in demanding conditions
• Optimized drive performance with standard 9/64" hex socket providing secure torque transmission and reduced cam-out risk
• Versatile partial threading design allowing both threaded and unthreaded sections for flexible installation requirements
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Durable socket head profile with 0.27" diameter and 0.164" height enabling flush installation and high torque capability

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw addresses critical industrial challenges where corrosion resistance and mechanical reliability are paramount. The combination of UNC coarse threads and Class 3A thread fit ensures rapid assembly with minimal cross-threading risk in high-vibration environments. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, making it ideal for chemical processing, marine applications, and food equipment where exposure to aggressive media is common. With its 4" length and partially threaded design, this fastener provides versatile clamping solutions for machinery, structural assemblies, and precision equipment requiring both threaded engagement and smooth shank sections.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 3A thread tolerance and UNC coarse thread profile (8-32 thread size). Features a standard socket head profile with 9/64" hex drive, 0.27" head diameter, and 0.164" head height. The partially threaded design provides minimum 3/4" thread length on a 4" overall length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial distribution and use.