S-92196A597 5/16"-18 x 3 1/2" 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 industrial environments and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under significant mechanical stress and vibration.
• Precise Class 3A thread fit guarantees secure engagement and reduces the risk of cross-threading during assembly.
• Durable Rockwell B70 hardness provides excellent wear resistance and maintains thread integrity over repeated use.
• 1/4" hex drive socket head allows for high-torque installation with standard tools, minimizing stripping and improving efficiency.
• Coarse UNC thread enables quick assembly and superior performance in materials where fine threads may be prone to damage.
• Compliance with ASME B18.3, RoHS, and REACH ensures adherence to strict mechanical and environmental standards for global industrial use.

Professional Applications & Engineering Value

This 5/16"-18 UNC Socket Head Cap Screw is engineered from 18-8 Stainless Steel to address critical challenges in demanding applications such as machinery assembly, automotive components, and structural frameworks. The coarse thread design and Class 3A thread fit provide exceptional grip and vibration resistance, reducing maintenance needs in high-stress environments. Its partially threaded configuration allows for precise clamping force distribution, while the hex drive socket head facilitates easy installation in confined spaces. Ideal for OEM and MRO uses, this fastener delivers reliable performance where corrosion resistance, high tensile strength, and compliance with ASME B18.3 standards are paramount.

Specification Summary & Compliance

This socket head cap screw features a 5/16"-18 UNC coarse thread with a Class 3A thread fit for precise dimensional accuracy. It meets ASME B18.3 manufacturing specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting sustainable and safe industrial practices. Manufactured in the inch system, it includes a 1/4" hex drive and a minimum thread length of 1 3/8" for secure fastening applications.