S-92865A614 5/16"-18 x 7 1/2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 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 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating, extending service life in various industrial environments
- Optimized torque transmission with external hex drive design for secure installation and removal
- Enhanced thread engagement through UNC coarse threading and Class 2A fit for consistent fastening performance
- Proven material durability with Rockwell C25 hardness maintaining structural integrity under stress
- Full-length threading ensures maximum grip strength across the entire 7½" length
- Regulatory compliance with RoHS 3 and industry standards for quality assurance
Professional Applications & Engineering Value
This Grade 5 hex head screw delivers critical engineering advantages for heavy-duty industrial applications where fastener failure is not an option. The zinc plated steel construction provides essential corrosion protection in manufacturing environments, while the UNC coarse thread design ensures rapid installation and superior vibration resistance. The combination of 120,000 psi tensile strength and Rockwell C25 hardness makes this fully threaded fastener ideal for structural assemblies, machinery frames, and equipment requiring reliable fastening solutions that withstand dynamic loads and environmental challenges. The external hex drive facilitates high-torque applications common in maintenance and production settings.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse thread specification (5/16"-18). Complies with ASME B18.2.1 and SAE J429 Grade 5 standards for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) compliance requirements for environmental safety. Features right-hand threading and full-length threading across the 7½" length for consistent performance in industrial fastening applications.
