S-92185A526 1/4"-28 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 and passivated finish for extended service life in harsh environments
• Precise thread engagement with Class 3A fit and UNF fine thread profile ensuring reliable, vibration-resistant connections
• High mechanical strength delivering 70,000 PSI tensile strength and Rockwell B70 hardness for demanding applications
• Secure hex drive installation with 3/16" drive size providing positive torque transmission and reduced stripping risk
• Full thread coverage along the entire 3/8" length for maximum grip and load distribution
• Regulatory compliance meeting RoHS 3 and REACH standards for safe industrial use worldwide
• Standard socket head profile enabling flush mounting and access in confined spaces

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw delivers exceptional performance in corrosive and high-stress environments where reliability is critical. The combination of UNF fine threads with Class 3A fit provides superior vibration resistance and precise alignment in machinery, automotive, and marine applications. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, making it ideal for chemical processing, food equipment, and offshore installations. With 70,000 PSI tensile strength and full threading, this fastener maintains integrity under heavy loads while the hex socket drive ensures secure installation in space-constrained assemblies. These industrial fasteners are engineered to withstand extreme conditions while maintaining dimensional stability and corrosion protection.

Specification Summary & Compliance

This socket head cap screw features precision 1/4"-28 UNF fine threads with Class 3A thread fit for exacting dimensional requirements. The fastener meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance. Manufacturing specifications include right-hand thread direction, standard socket head profile, and full threading along the 3/8" length. The combination of Rockwell B70 hardness and 70,000 PSI tensile strength confirms mechanical performance suitable for critical industrial applications.