S-92196A437 5/16"-18 x 2 5/8" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• High tensile strength of 70,000 psi ensures dependable performance in demanding, heavy-duty applications.
• Precise Class 3A thread fit provides excellent engagement and vibration resistance for secure fastening.
• Standard hex drive (1/4") and socket head allow for easy installation and high torque application with common tools.
• Coarse UNC threads enable quick assembly and reduced cross-threading risk in industrial settings.
• Rockwell B70 hardness offers excellent durability and wear resistance under mechanical stress.
• Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw with a 5/16"-18 UNC thread is engineered to address critical industrial challenges, such as corrosion in humid or chemical-exposed environments. The coarse thread design and Class 3A fit minimize loosening from vibrations, making it ideal for machinery, automotive assemblies, and structural frameworks where reliability is paramount. Its partially threaded configuration allows for precise clamping force distribution, reducing stress concentrations. The hex drive facilitates efficient installation in confined spaces, enhancing productivity in maintenance and manufacturing operations while maintaining high tensile strength and consistent performance under load.

Specification Summary & Compliance

This screw features a 5/16"-18 UNC coarse thread with Class 3A thread fit for high precision, a length of 2 5/8", and a minimum thread length of 1 1/8". It conforms to ASME B18.3 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry reliability.