S-92865A814 5/8"-11 x 5" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 120,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
• Optimized torque transmission with external hex drive and 15/16" head width for secure installation
• Enhanced thread engagement with UNC coarse spacing and Class 2A fit ensuring vibration resistance
• Consistent hardness performance at Rockwell C25 maintaining structural integrity under stress
• Full threading along 5" length provides maximum fastening contact and adjustment flexibility
• Right-hand thread design enables standard installation procedures for operational efficiency

Professional Applications & Engineering Value

This Grade 5 hex head screw delivers critical engineering solutions for heavy-duty industrial applications where structural integrity is paramount. The zinc plated steel construction combats environmental degradation in manufacturing facilities, construction sites, and machinery assembly. The 5/8"-11 UNC coarse thread configuration prevents cross-threading during high-speed assembly while maintaining secure fastening in vibrating equipment. With fully threaded design along its 5-inch length, this fastener provides uniform stress distribution across connected components, eliminating weak points that commonly fail under cyclical loading. The external hex drive accommodates standard wrenching tools for efficient installation in confined spaces, making it ideal for structural steel connections, heavy equipment maintenance, and industrial machinery fabrication where reliability cannot be compromised.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with Class 2A thread fit tolerance ensuring consistent mating with corresponding nuts. Complies with ASME B18.2.1 and SAE J429 specifications for dimensional accuracy and performance requirements. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, containing no restricted substances above threshold limits. The UNC coarse thread pattern follows standardized threading specifications for reliable interchangeability across industrial applications.