S-92620A896 7/8"-9 x 2" 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 provided by zinc yellow-chromate plating, extending service life in harsh environments
- Optimized installation efficiency through external hex drive design and coarse UNC threading for faster assembly
- Consistent thread engagement ensured by Class 2A thread fit, reducing cross-threading risks during installation
- Enhanced durability from Rockwell C33 hardness, maintaining structural integrity under repeated loads
- Full-threaded design offering maximum grip length and uniform stress distribution along the entire fastener
- Industry-standard compliance meeting ASME B18.2.1 and SAE J429 specifications for guaranteed interoperability
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these Grade 8 hex head screws deliver exceptional mechanical properties where failure is not an option. The 7/8"-9 UNC coarse threading provides superior resistance to vibration loosening while enabling rapid installation in structural steel connections, heavy machinery assembly, and construction equipment. The zinc yellow-chromate plating creates a protective barrier against oxidation and chemical exposure, making these fully threaded bolts ideal for outdoor applications and corrosive environments. With their 150,000 psi tensile strength and Rockwell C33 hardness, these external hex drive fasteners maintain clamping force under extreme conditions, preventing joint failure in critical load-bearing assemblies across manufacturing, infrastructure, and automotive sectors.
Specification Summary & Compliance
This 2" length hex head screw features precise Class 2A thread fit tolerances and UNC coarse threading manufactured to ASME B18.2.1 and SAE J429 standards. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) requirements, ensuring environmental responsibility while maintaining the mechanical properties required for Grade 8 strength classification in inch system applications.
