S-90152A122 2-56 x 3/16" ASME B18.3, ASTM F837 Stainless Steel Wire-Lockable 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 80,000 psi ensures secure, vibration-resistant fastening in demanding applications.
• Precision Class 3A thread fit provides consistent, reliable engagement and reduces the risk of cross-threading.
• Coarse UNC threading allows for quicker installation and better performance in materials prone to stripping.
• Hex socket drive (5/64") offers high torque capability and a clean, flush finish for space-constrained assemblies.
• Full compliance with ASME B18.3 and ASTM F837 guarantees adherence to industry standards for quality and safety.
• RoHS 3 and REACH compliant for environmentally responsible and safe use in regulated industries.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw is engineered to address critical challenges in industrial and mechanical assemblies. Its 2-56 UNC coarse threads and Class 3A fit ensure precise, repeatable fastening in applications where vibration resistance and thread integrity are paramount. The high tensile strength (80,000 psi) and Rockwell B70 hardness provide exceptional durability, reducing the risk of failure under load. Commonly used in machinery, electronics, and automotive sectors, this screw’s corrosion-resistant properties and fully threaded design make it ideal for securing components in demanding environments, enhancing assembly longevity and performance.

Specification Summary & Compliance

This fastener features a 2-56 UNC thread with Class 3A precision fit, ensuring tight tolerances and reliable performance. It complies with ASME B18.3 and ASTM F837 manufacturing specifications, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards for safe, regulated use.