S-92620A732 1/2"-13 x 7" 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 protects against environmental degradation
• Optimized installation efficiency with external hex drive design providing secure tool engagement and torque transmission
• Enhanced thread reliability through UNC coarse threading and Class 2A fit ensuring consistent engagement and vibration resistance
• Maximum fastening coverage with full threading along the 7" length for complete joint security
• Certified quality assurance meeting ASME B18.2.1 and SAE J429 standards for guaranteed dimensional accuracy and performance
• Robust material integrity featuring Grade 8 steel with Rockwell C33 hardness for long-term durability

Professional Applications & Engineering Value

These Grade 8 hex head screws deliver critical engineering solutions for heavy machinery, structural steel connections, and industrial equipment assembly. The combination of 150,000 psi tensile strength and Rockwell C33 hardness ensures reliable performance under extreme mechanical stress, while the zinc yellow-chromate plating provides essential corrosion protection in demanding environments. The UNC coarse thread configuration with Class 2A fit maintains secure fastening integrity even under vibration and dynamic loading conditions. These fully threaded fasteners offer complete engagement throughout the 7" length, making them ideal for construction applications, industrial maintenance, and heavy equipment manufacturing where high tensile strength and dimensional precision are paramount.

Specification Summary & Compliance

Manufactured to exacting ASME B18.2.1 and SAE J429 specifications, these hex head screws feature Class 2A thread fit tolerances for consistent installation performance. The 1/2"-13 UNC coarse thread maintains standard inch system compatibility, while the external hex drive with 3/4" head width ensures proper tool engagement. The Grade 8 classification guarantees mechanical properties including 150,000 psi minimum tensile strength and Rockwell C33 hardness. The zinc yellow-chromate plating provides corrosion resistance while maintaining compliance with industrial fastener standards for dimensional accuracy and performance reliability.