S-92865A740 1/2"-13 x 8" 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 harsh industrial environments
- Optimized torque transmission with external hex drive and 3/4" head width for secure fastening and easy installation
- Precise thread engagement with Class 2A UNC coarse threads ensuring consistent fit and vibration resistance
- Enhanced durability from Grade 5 steel construction with Rockwell C25 hardness for long-term structural integrity
- Full-length threading providing maximum grip strength across the entire 8" length for superior holding power
- Industry-standard compliance meeting ASME B18.2.1 and SAE J429 specifications for guaranteed quality and interoperability
Professional Applications & Engineering Value
These Grade 5 steel hex head screws deliver critical engineering solutions for industrial applications where structural integrity is paramount. The combination of 120,000 psi tensile strength and Rockwell C25 hardness ensures reliable performance in heavy machinery, construction frameworks, and equipment assembly. The coarse UNC threading with Class 2A fit provides superior resistance to vibration loosening, while the zinc plating offers essential corrosion protection in demanding environments. The external hex drive design allows for high-torque installation, making these fully threaded 8-inch fasteners ideal for applications requiring maximum clamping force and durability across extended engagement lengths.
Specification Summary & Compliance
This 1/2"-13 UNC hex head screw features precise Class 2A thread fit tolerances and complies with ASME B18.2.1 and SAE J429 Grade 5 manufacturing specifications. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring safe use across industrial applications. With right-hand thread direction and coarse thread spacing, this inch-system fastener delivers consistent performance in accordance with established industrial standards.
