S-92620A295 1 1/8"-7 x 2 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 150,000 psi tensile strength for critical structural applications
- Superior corrosion protection through zinc yellow-chromate plating in harsh industrial environments
- Optimized thread engagement with Class 2A fit and coarse UNC threading for reliable assembly
- Enhanced torque transmission via external hex drive design and substantial head dimensions
- Controlled partial threading providing precise clamping force distribution
- Certified material integrity with Rockwell C33 hardness ensuring consistent performance
- Regulatory compliance assurance meeting international environmental and safety standards
Professional Applications & Engineering Value
These Grade 8 hex head screws deliver critical performance in heavy machinery, structural steel connections, and industrial equipment where high tensile strength and corrosion resistance are paramount. The zinc yellow-chromate plated steel construction provides superior protection against environmental degradation while maintaining 150,000 psi tensile strength under extreme loads. The 1 1/8"-7 UNC coarse thread configuration ensures rapid installation and secure fastening in thick materials, while the partial threading design prevents thread damage in through-hole applications. Engineered to ASME B18.2.1 and SAE J429 specifications, these fasteners offer reliable performance in construction, mining, and manufacturing applications where failure is not an option.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with 1 1/8"-7 UNC coarse thread specifications. Compliant with ASME B18.2.1 and SAE J429 standards for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features Rockwell C33 hardness and 150,000 psi tensile strength consistent with Grade 8 classification requirements.
