S-92620A930 7/8"-14 x 2 3/4" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments
• Precise thread engagement with Class 2A fit and UNF fine threading for secure fastening and vibration resistance
• Maximum thread engagement through full threading along the entire 2 3/4" length for enhanced holding power
• Optimized drive efficiency with external hex head design allowing high torque application and easy installation
• Consistent mechanical properties ensured by Grade 8 certification and Rockwell C33 hardness for dependable performance
• Regulatory compliance assurance meeting ASME B18.2.1, SAE J429, RoHS 3, and REACH standards for quality and safety

Professional Applications & Engineering Value

These Grade 8 hex head screws deliver critical engineering solutions for heavy-duty industrial applications where failure is not an option. The combination of high-strength steel material and UNF fine threading provides exceptional resistance to vibration loosening, making them ideal for machinery, structural assemblies, and equipment subjected to dynamic loads. The zinc yellow-chromate plating offers superior protection against corrosion in demanding environments, while the external hex drive enables efficient installation and removal with standard tools. These fully threaded fasteners ensure maximum thread engagement across the entire length, distributing stress evenly and preventing joint failure in critical connections requiring 150,000 psi tensile strength and reliable performance under extreme conditions.

Specification Summary & Compliance

This heavy-duty hex head screw features precise 7/8"-14 UNF fine threads with Class 2A thread fit tolerance for optimal engagement. Manufactured to ASME B18.2.1 specifications and meeting SAE J429 Grade 8 requirements for mechanical properties. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while maintaining the highest quality standards for demanding applications.