S-92620A966 1"-8 x 6" 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, ideal for high-stress industrial applications
• Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh environments
• Reliable thread engagement with Class 2A coarse UNC threads ensuring easy assembly and vibration resistance
• Maximum fastening efficiency through full threading along the 6" length for uniform stress distribution
• High durability backed by Rockwell C33 hardness, maintaining structural integrity under repeated loads
• Secure torque application with external hex drive design for precise installation using standard tools
• Industry compliance meeting ASME B18.2.1 and SAE J429 specifications for consistent quality and performance

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these Grade 8 hex head screws address critical challenges in construction, machinery assembly, and structural fastening where failure is not an option. The 1"-8 UNC coarse thread configuration prevents cross-threading during high-speed assembly while providing superior pull-out resistance in steel frameworks. Zinc yellow-chromate plating creates a sacrificial barrier against oxidation and chemical exposure, significantly reducing maintenance costs in outdoor or corrosive environments. The fully threaded 6" length ensures complete engagement in thick materials, distributing clamping force evenly to prevent joint fatigue. These high tensile strength fasteners deliver predictable performance in critical connections, from industrial equipment mounting to infrastructure projects requiring ASME B18.2.1 compliance.

Specification Summary & Compliance

Manufactured to precise Class 2A thread fit tolerances with 1"-8 UNC coarse threads and right-hand threading orientation. Complies with ASME B18.2.1 and SAE J429 Grade 8 specifications, ensuring dimensional accuracy and mechanical properties. The zinc yellow-chromate plating meets RoHS and REACH environmental standards while providing corrosion protection. All fasteners maintain Rockwell C33 hardness and 150,000 psi tensile strength verification throughout production.