S-92185A108 4-40 x 3/8" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• Exceptional tensile strength rated at 70,000 psi for reliable performance under high-stress applications
• Precise Class 3A thread fit ensures tight tolerances and secure fastening in critical assemblies
• Enhanced durability with Rockwell B70 hardness and passivated finish for extended service life
• Easy installation using standard 3/32" hex drive tools, reducing assembly time and tooling costs
• Full UNC coarse threading provides maximum grip and vibration resistance in various materials
• Regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw delivers critical performance where corrosion resistance and mechanical strength are paramount. The passivated finish enhances surface durability while maintaining the material's innate resistance to chlorides and acidic environments. With its Class 3A UNC thread and 70,000 psi tensile strength, this fastener prevents loosening under vibration in machinery, electronic enclosures, and precision equipment. The fully threaded design ensures consistent clamping force across the entire engagement length, while the hex socket drive allows for high-torque installation in confined spaces common in aerospace, medical device, and chemical processing applications.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 3A thread fit and UNC coarse threading (4-40). Features include 3/8" length, 0.183" head diameter, and right-hand thread direction. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use across global markets.