S-92185A629 3/8"-16 x 4 1/2" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress conditions.
• Precise Class 3A thread fit for superior engagement and vibration resistance in critical assemblies.
• Passivated finish enhances surface durability and extends service life by preventing oxidation.
• Rockwell B70 hardness provides excellent wear resistance and maintains thread integrity over repeated use.
• 5/16" hex drive design allows for easy installation and high torque application with standard tools.
• RoHS 3 and REACH compliance ensures environmental safety and meets global regulatory standards.

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 assembly precision. Its UNC coarse threads and Class 3A fit provide secure fastening in dynamic applications, reducing the risk of loosening under vibration. The passivated finish offers an added layer of protection against aggressive chemicals and moisture, making it suitable for marine equipment, chemical processing, and food machinery. With a partially threaded design and 70,000 psi tensile strength, it delivers consistent performance in heavy-duty frames, valves, and structural components, ensuring long-term reliability and reduced maintenance costs.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a 3/8"-16 thread size, 4 1/2" length, and 5/16" hex drive. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for regulated industries.