S-92620A875 3/4"-16 x 3" 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 through zinc yellow-chromate plating that extends service life in harsh environments
• Precise thread engagement with Class 2A UNF fine threads ensuring secure fastening and vibration resistance
• Maximum material strength from Grade 8 steel with Rockwell C33 hardness for durability under extreme conditions
• Easy installation and removal with standard 1 1/8" external hex head design compatible with common tools
• Full-threaded 3" length providing consistent clamping force distribution across the entire fastener
• Industry-standard compliance meeting ASME B18.2.1 and SAE J429 specifications for guaranteed quality and interchangeability

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these Grade 8 hex head screws deliver critical performance where failure is not an option. The 3/4"-16 UNF fine threading provides superior resistance to vibrational loosening compared to coarse threads, making them ideal for machinery, heavy equipment, and structural assemblies. The zinc yellow-chromate plating creates a protective barrier against corrosion in outdoor or chemically aggressive environments, significantly extending maintenance intervals. With fully threaded design and 150,000 psi tensile strength, these fasteners maintain clamping force integrity under extreme loads, preventing joint failure in critical connections. The external hex drive configuration ensures reliable torque application during installation, reducing the risk of stripping and ensuring proper preload in heavy-duty fastening scenarios.

Specification Summary & Compliance

This 3/4"-16 UNF hex head screw features precision Class 2A thread fit with fine thread spacing and right-hand threading direction. Manufactured from high-strength Grade 8 steel with Rockwell C33 hardness, the fastener complies with ASME B18.2.1 dimensional standards and SAE J429 material specifications. The inch measurement system ensures compatibility with North American industrial equipment and replacement parts. The zinc yellow-chromate finish provides corrosion protection while maintaining the fastener's mechanical properties.