S-92185A511 1/4"-20 x 4" 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, ideal for harsh environments and extended service life
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high-stress conditions
• Precise thread engagement with Class 3A fit and 1/4"-20 UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized drive efficiency featuring a standard socket head with 3/16" hex drive for high torque application and reduced stripping risk
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Versatile partial threading with 1" minimum thread length providing flexibility in adjustment and clamping applications
• Right-hand thread design with coarse spacing for quick assembly and disassembly in industrial maintenance and production

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this 316 stainless steel socket head cap screw delivers critical corrosion resistance where exposure to chemicals, moisture, or extreme temperatures would compromise ordinary fasteners. The Class 3A thread fit and UNC coarse threads maintain precise tolerances for vibration-resistant connections in machinery, equipment assembly, and structural frameworks. The partially threaded design allows for both clamping and alignment functions, while the passivated finish enhances surface durability. With its hex drive socket head configuration, it enables high-torque installation in confined spaces, making it indispensable for aerospace, marine, chemical processing, and food manufacturing applications where reliability and regulatory compliance are paramount.

Specification Summary & Compliance

This socket head cap screw features inch system measurements with 1/4"-20 UNC coarse threads and Class 3A thread fit for precision alignment. Manufacturing adheres to standardized dimensions including 4" length, 3/8" head diameter, and 1/4" head height. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance control for industrial use.