S-92620A892 7/8"-9 x 1 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 that extends service life in harsh environments
• Optimized installation efficiency through external hex drive design that enables high torque application and secure fastening
• Enhanced thread engagement with coarse UNC threading that resists vibration loosening and simplifies alignment
• Consistent quality assurance through Class 2A thread fit that ensures precise mating with standard nuts and components
• Maximum material utilization with full threading along the entire 1 3/4" length for versatile positioning and adjustment
• Industry-standard compliance meeting ASME B18.2.1 and SAE J429 specifications for guaranteed interchangeability

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers critical engineering solutions for heavy-duty industrial applications where failure is not an option. The steel construction with Rockwell C33 hardness provides exceptional resistance to shear and tensile forces, making it ideal for structural assemblies, machinery frames, and equipment mounting. The 7/8"-9 UNC coarse thread design ensures rapid installation and superior vibration resistance in high-load environments, while the zinc yellow-chromate plating offers enhanced corrosion protection for extended service life in demanding conditions. The external hex drive accommodates standard tools for efficient installation and removal, reducing maintenance downtime in industrial settings.

Specification Summary & Compliance

This high-strength hex head screw features precise Class 2A thread fit with 7/8"-9 UNC coarse threading and right-hand thread direction. Manufactured to exacting ASME B18.2.1 and SAE J429 Grade 8 specifications, the fastener delivers consistent dimensional accuracy and mechanical properties. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while meeting international quality standards for heavy-duty fastening applications.