S-92865A843 3/4"-10 x 2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating that protects against rust and extends service life in demanding environments
• Exceptional load-bearing capacity with Grade 5 steel construction providing 120,000 psi tensile strength for heavy-duty applications
• Reliable fastening performance due to Rockwell C25 hardness that prevents stripping and maintains structural integrity
• Easy installation and removal with external hex drive and 1 1/8" head width offering excellent tool grip and torque transfer
• Optimal thread engagement through UNC coarse threading and Class 2A fit ensuring secure connections with minimal cross-threading risk
• Full-length thread coverage across the 2" length providing consistent clamping force throughout the entire fastener
• Regulatory compliance assurance meeting ASME B18.2.1, SAE J429, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

This Grade 5 steel hex head screw delivers critical engineering value in heavy machinery, structural steel connections, and industrial equipment assembly where vibration resistance and high tensile strength are paramount. The zinc plated finish provides essential corrosion protection in manufacturing facilities and outdoor applications, significantly reducing maintenance frequency. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation while maintaining precise tolerances, solving common assembly line efficiency challenges. The external hex drive design with substantial head dimensions allows for high torque application without slippage, making it ideal for construction equipment, agricultural machinery, and transportation infrastructure where reliable fastening solutions prevent costly downtime and safety hazards.

Specification Summary & Compliance

This hex head screw maintains Class 2A thread fit tolerances per UNC standards with 3/4"-10 coarse thread spacing and full threading along the 2" length. Manufacturing complies with ASME B18.2.1 and SAE J429 Grade 5 specifications, ensuring dimensional accuracy and mechanical properties. The product is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substance restrictions.