S-92185A527 1/4"-28 x 7/8" 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, ideal for harsh environments like marine or chemical processing.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration, reducing failure risks.
• Precise Class 3A thread fit provides tighter tolerances for secure fastening and improved assembly accuracy in critical applications.
• Fine UNF threading (1/4"-28) offers better adjustment control and resistance to loosening compared to coarse threads.
• Fully threaded design allows for consistent engagement along the entire length, enhancing grip and distribution of stress.
• Hex socket drive (3/16") enables easy installation with standard tools, minimizing slippage and tool wear.
• Compliance with RoHS 3 and REACH ensures environmental safety and meets global regulatory standards for industrial use.

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw is engineered to address common industrial challenges such as corrosion, high stress, and precise assembly requirements. The combination of UNF fine threading and Class 3A fit ensures minimal backlash and superior holding power in dynamic applications, from machinery and equipment manufacturing to marine and chemical industries. The passivated finish enhances the innate corrosion resistance of 316 stainless steel, prolonging service life in humid or corrosive settings. With a Rockwell B70 hardness and 70,000 psi tensile strength, it withstands extreme operational demands, reducing maintenance needs and downtime. Ideal for use in industrial fasteners where reliability and compliance with standards like RoHS are critical, this screw delivers consistent performance in right-hand threaded, fully threaded configurations.

Specification Summary & Compliance

This socket head cap screw adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and UNF fine threading (1/4"-28) in the inch system. It is manufactured from 316 stainless steel with a passivated finish, ensuring durability and corrosion resistance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and industrial applications without hazardous substances.