S-92620A763 9/16"-12 x 1 3/4" 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 Grade 8 strength rating and 150,000 psi tensile strength for reliable performance in high-stress industrial environments.
- Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh or outdoor applications.
- Optimized torque transmission through the external hex drive and hex head design, ensuring secure installation with standard tools.
- Enhanced thread engagement with UNC coarse threading and Class 2A fit, facilitating quicker assembly and reducing cross-threading risks.
- Full-threaded design for maximum grip length and uniform stress distribution across the entire fastener.
- High hardness rating of Rockwell C33, offering excellent wear resistance and durability under repetitive loads.
- Broad regulatory compliance including ASME, SAE, RoHS 3, and REACH, ensuring suitability for regulated and international projects.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 8 hex head screw addresses critical challenges in machinery assembly, structural frameworks, and equipment manufacturing. The steel construction combined with zinc yellow-chromate plating provides a robust defense against corrosion, making it ideal for outdoor or chemically exposed settings. The UNC coarse thread and external hex drive enable rapid, high-torque installations, reducing labor time while maintaining Class 2A thread fit precision. Whether used in construction, automotive, or heavy machinery, this fully threaded 9/16"-12 hex screw ensures lasting integrity under dynamic and static loads, minimizing maintenance and replacement frequency.
Specification Summary & Compliance
This fastener adheres to Class 2A thread fit tolerances and UNC coarse thread standards with a 9/16"-12 thread size. It meets ASME B18.2.1 and SAE J429 specifications for dimensional and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use across global markets.
