S-92620A758 9/16"-12 x 1" 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 capability with 150,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments
- Optimized installation efficiency through UNC coarse threading that enables faster assembly and superior holding power
- Consistent thread engagement ensured by Class 2A thread fit for precise mating with nuts and tapped holes
- Maximum torque transmission delivered by the external hex drive design that prevents tool slippage during tightening
- Enhanced durability from Rockwell C33 hardness that maintains structural integrity under heavy loads
- Regulatory compliance assurance meeting ASME B18.2.1, SAE J429, RoHS 3, and REACH standards for quality and safety
Professional Applications & Engineering Value
These Grade 8 hex head screws deliver critical engineering solutions for industrial applications requiring maximum tensile strength and reliable fastening performance. The combination of fully threaded UNC coarse spacing and Class 2A thread fit ensures rapid installation while maintaining precise thread engagement in heavy machinery, structural steel connections, and high-vibration equipment. The zinc yellow-chromate plating provides essential corrosion protection for outdoor applications or harsh manufacturing environments, significantly extending maintenance intervals. Engineered to withstand extreme mechanical stresses, these industrial heavy-duty screws prevent joint failure in critical assemblies, reducing downtime and maintenance costs across construction, automotive, and industrial manufacturing sectors.
Specification Summary & Compliance
This 9/16"-12 UNC hex head screw features precise Class 2A thread fit tolerances and fully threaded coarse spacing per UNC standards. Manufactured to ASME B18.2.1 and SAE J429 specifications, the fastener maintains dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial applications.
