S-92865A402 9/16"-18 x 1 1/4" 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
- Superior load-bearing capacity with 120,000 PSI tensile strength for reliable performance in demanding applications
- Enhanced corrosion resistance through zinc plating, extending service life in various industrial environments
- Precise thread engagement with Class 2A UNF fine threads ensuring vibration-resistant, secure fastening
- Optimized torque transmission through external hex drive design for efficient installation with standard tools
- Consistent mechanical properties with Rockwell C25 hardness maintaining structural integrity under stress
- Full thread coverage along the 1 1/4" length provides maximum grip and load distribution
- Regulatory compliance assurance meeting ASME B18.2.1 and SAE J429 specifications for quality and safety
Professional Applications & Engineering Value
This Grade 5 steel hex head screw delivers exceptional engineering value for industrial assembly applications where vibration resistance and structural integrity are critical. The UNF fine thread configuration provides superior clamping force distribution compared to coarse threads, making it ideal for machinery, equipment manufacturing, and structural frameworks. The zinc plating surface treatment offers reliable corrosion protection in moderate environments, while the external hex drive design ensures compatibility with standard tools for efficient installation and maintenance. With its fully threaded construction and precise Class 2A thread fit, this fastener maintains consistent performance in high-stress applications, reducing the risk of loosening and joint failure in dynamic load conditions.
Specification Summary & Compliance
Manufactured to exacting dimensional standards with Class 2A thread fit tolerance and UNF fine thread specification (9/16"-18). Complies with ASME B18.2.1 and SAE J429 manufacturing standards for dimensional accuracy and mechanical properties. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements, ensuring safe use across industrial sectors.
