S-92865A810 5/8"-11 x 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
- Exceptional tensile strength of 120,000 PSI ensures reliable performance in heavy-duty applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc plating extends service life in harsh environments, minimizing maintenance and replacement costs.
- High hardness rating (Rockwell C25) provides excellent wear resistance, maintaining thread integrity under repeated use.
- Coarse UNC threading allows for faster installation and better performance in materials prone to stripping or vibration.
- Class 2A thread fit ensures consistent, easy assembly while maintaining secure fastening in a wide range of industrial applications.
- Fully threaded design offers maximum grip and adjustability along the entire 4" length for versatile mounting solutions.
- External hex drive enables high-torque application with standard tools, speeding up installation and reducing labor time.
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these Grade 5 hex head screws deliver critical reliability where structural integrity is paramount. The zinc plated steel construction provides essential corrosion protection in outdoor construction, machinery assembly, and infrastructure projects where exposure to moisture and chemicals is common. The coarse UNC thread profile ensures superior performance in softer materials and vibration-prone applications by resisting loosening and maintaining clamp force. With full threading along the entire 4" length, these fasteners offer maximum engagement depth for critical connections in steel framing, heavy equipment manufacturing, and industrial maintenance applications where failure is not an option.
Specification Summary & Compliance
This 5/8"-11 UNC hex head screw features precise Class 2A thread fit tolerances and complies with ASME B18.2.1 and SAE J429 manufacturing specifications. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring safe use across regulated industries. Manufactured to maintain consistent dimensional accuracy and mechanical properties as specified for Grade 5 fasteners.
