S-92620A632 3/8"-16 x 2" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Maximum Load-Bearing Capacity with 150,000 psi tensile strength and Grade 8 classification for critical structural applications
• Superior Corrosion Resistance through zinc yellow-chromate plating that protects against harsh industrial environments
• Enhanced Durability with Rockwell C33 hardness ensuring long service life under high-stress conditions
• Reliable Thread Engagement featuring UNC coarse threads and Class 2A fit for secure fastening in various materials
• Optimized Installation Efficiency with external hex drive and 9/16" head width for standard wrench compatibility
• Full Thread Coverage along the 2" length provides consistent clamping force across the entire fastener
• Regulatory Compliance Assurance meeting ASME B18.2.1, SAE J429, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

These Grade 8 hex head screws deliver exceptional engineering value in demanding industrial applications where failure is not an option. The steel construction combined with zinc yellow-chromate plating creates a robust fastener capable of withstanding extreme mechanical stresses while resisting corrosion in outdoor or chemically aggressive environments. The UNC coarse thread design ensures rapid installation and superior holding power in structural steel, heavy machinery, and automotive assemblies. With fully threaded configuration and Class 2A thread fit, these screws provide uniform stress distribution and reliable performance in vibration-prone applications, eliminating the need for frequent retightening and reducing maintenance downtime in industrial operations.

Specification Summary & Compliance

This high-strength 3/8"-16 x 2" hex head screw features precision UNC coarse threads with Class 2A thread fit tolerance for consistent engagement. Manufactured to ASME B18.2.1 and SAE J429 specifications, the fastener meets rigorous industrial standards for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility in industrial supply chains.