S-90152A337 5/16"-18 x 1" ASME B18.3, ASTM F837 Stainless Steel Wire-Lockable Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional 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, durable fastening under significant mechanical stress.
• Precision Class 3A thread fit provides superior engagement and vibration resistance in critical assemblies.
• Hex socket drive design allows for high torque application and easy installation in confined spaces.
• Coarse UNC threads enable quick assembly and reduced cross-threading risk for efficient operations.
• Full compliance with ASME B18.3 and ASTM F837 guarantees consistent quality and interchangeability.
• RoHS 3 and REACH compliant for safe use in regulated industries and global market acceptance.

Professional Applications & Engineering Value

This Socket Head Cap Screw is engineered to address common industrial challenges such as component loosening under vibration and corrosion in demanding environments. Made from 18-8 Stainless Steel, it offers excellent resistance to rust and oxidation, making it suitable for machinery, automotive, and outdoor equipment. The Class 3A thread fit and coarse UNC threads ensure tight, reliable connections that withstand dynamic loads, while the hex drive design facilitates secure tool engagement. Ideal for high-stress applications, this fastener provides long-lasting performance, reducing maintenance needs and downtime in industrial screw assemblies.

Specification Summary & Compliance

This screw features a 5/16"-18 UNC thread with Class 3A precision fit, ensuring tight tolerances per ASME standards. It is fully threaded and complies with ASME B18.3 and ASTM F837 manufacturing specifications. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety standards for industrial use.