S-92865A804 5/8"-11 x 2 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 tensile strength of 120,000 psi ensures reliable performance in demanding heavy-duty applications, reducing the risk of fastener failure.
- Superior corrosion resistance with zinc plating, extending service life in harsh industrial or outdoor environments.
- High hardness rating (Rockwell C25) provides excellent wear resistance and durability under repetitive stress.
- Coarse UNC thread design allows for faster installation and better grip in soft materials or where vibration is a concern.
- Class 2A thread fit ensures consistent, reliable engagement with nuts and tapped holes, minimizing assembly issues.
- Full threading along the 2 1/2" length offers versatile fastening depth and adjustability in various assembly setups.
- External hex drive and hex head design enable easy installation and high torque application with standard tools.
Professional Applications & Engineering Value
This 5/8"-11 UNC Grade 5 hex head screw is engineered to address critical challenges in heavy-duty industrial and construction applications. The zinc plated steel construction combats corrosion, making it ideal for outdoor machinery, structural frameworks, and equipment exposed to moisture. Its coarse thread design ensures quick, secure fastening in materials like wood, soft metals, or composites, reducing installation time and improving efficiency. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it withstands high loads and vibrations, preventing loosening in dynamic environments. Fully threaded for maximum grip, this screw is a reliable choice for assembly lines, automotive components, and infrastructure projects where durability and compliance with industry standards are paramount.
Specification Summary & Compliance
This product features a 5/8"-11 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and ease of assembly. It meets ASME B18.2.1 and SAE J429 specifications, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it adheres to environmental and safety standards for industrial use.
