S-92620A321 1 1/8"-7 x 9 1/2" 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 demanding applications
• Superior corrosion resistance through zinc yellow-chromate plating that protects against harsh industrial environments
• Optimized torque transmission with external hex drive design ensuring secure installation and removal
• Enhanced durability with Rockwell C33 hardness maintaining structural integrity under repeated stress
• Secure fastening performance through Class 2A thread fit providing consistent engagement and vibration resistance
• Versatile partial threading allowing for both clamping and alignment functions in assembly applications
• Industry-standard compliance meeting ASME B18.2.1 and SAE J429 specifications for guaranteed quality

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers exceptional engineering value for heavy-duty industrial applications where failure is not an option. The 1 1/8"-7 UNC coarse thread configuration provides superior holding power in structural steel connections, machinery assembly, and construction equipment. The zinc yellow-chromate plating creates a protective barrier against corrosion in challenging environments, extending service life while maintaining the 150,000 psi tensile strength critical for load-bearing applications. The partially threaded design allows for precise clamping force distribution, making it ideal for applications requiring both secure fastening and alignment capabilities. Engineered to withstand extreme vibration and dynamic loads, this industrial hex screw ensures reliable performance in construction, manufacturing, and heavy equipment maintenance scenarios.

Specification Summary & Compliance

This high-strength hex head screw features precise Class 2A thread fit tolerances with 1 1/8"-7 UNC coarse threading and 9 1/2" length. Manufactured to exacting ASME B18.2.1 and SAE J429 specifications, the fastener ensures consistent performance and interchangeability. The product maintains full compliance with RoHS 3 (2015/863/EU) environmental standards and REACH (EC 1907/2006) regulations, confirming its suitability for use across various industrial sectors without hazardous substance restrictions.