S-92620A232 3/4"-10 x 13" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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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 withstands harsh industrial environments
- Optimized thread engagement with UNC coarse threads providing faster assembly and reduced cross-threading risks
- Consistent mechanical properties maintained through Rockwell C33 hardness and Grade 8 certification
- Secure torque transmission enabled by external hex drive design for precise installation control
- Reduced material usage through partial threading while maintaining full strength in critical engagement areas
- Regulatory compliance assurance meeting both performance standards and environmental regulations
Professional Applications & Engineering Value
This Grade 8 hex head screw delivers critical engineering solutions for heavy machinery, structural steel connections, and industrial equipment assembly. The 3/4"-10 UNC coarse thread configuration ensures rapid installation in thick materials while maintaining vibration resistance. The zinc yellow-chromate plating provides durable corrosion protection in outdoor or chemically aggressive environments, significantly extending service life. With partial threading, the fastener concentrates strength where needed while reducing weight and material costs. The combination of 150,000 psi tensile strength and Rockwell C33 hardness guarantees reliable performance in load-critical applications, from construction equipment to manufacturing machinery, where failure is not an option.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances for consistent engagement, this fastener meets ASME B18.2.1 and SAE J429 specifications for dimensional accuracy and mechanical properties. The 13" length with 2" minimum thread length accommodates various material thicknesses. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures environmental responsibility while maintaining the high-performance characteristics required for industrial applications.
