S-92620A406 6-32 x 3/4" 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 demanding environments
• Optimized installation efficiency through external hex drive design that enables secure tool engagement and torque application
• Enhanced thread reliability with Class 2A thread fit ensuring consistent engagement and vibration resistance
• Maximum fastening coverage through fully threaded design that distributes clamping force evenly along the entire length
• Industry-standard compatibility with 6-32 UNC coarse thread pattern that matches common industrial components
• Verified quality assurance through compliance with SAE J429 specifications for consistent performance standards

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers critical engineering solutions where high tensile strength and corrosion resistance are paramount. The steel construction with Rockwell C33 hardness provides structural integrity for heavy machinery, automotive assemblies, and industrial equipment subjected to dynamic loads and vibration. The zinc yellow-chromate plating creates a protective barrier against oxidation and chemical exposure in harsh operating environments. Featuring 6-32 UNC coarse threads with Class 2A fit, these fully threaded screws ensure secure fastening in metal-to-metal applications while the external hex drive facilitates efficient installation with standard tools. The combination of 150,000 psi tensile strength and SAE J429 compliance makes these industrial fasteners ideal for critical connections in construction, manufacturing, and maintenance operations where failure is not an option.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit tolerances with 6-32 UNC coarse thread specification and right-hand thread direction. Manufacturing complies with SAE J429 standards for Grade 8 fasteners, ensuring consistent quality and performance. The zinc yellow-chromate plating provides environmental protection while maintaining dimensional accuracy. The 3/4" length and fully threaded design offer versatile application compatibility across industrial sectors.