S-92865A253 3/8"-16 x 1 3/8" 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 tensile strength of 120,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc plating extends service life in harsh industrial environments, minimizing maintenance needs.
- High hardness rating (Rockwell C25) provides excellent wear resistance, maintaining structural integrity under repeated stress.
- Full threading with UNC coarse design offers faster installation and superior holding power in various materials.
- Class 2A thread fit ensures consistent, reliable engagement with compatible nuts for smooth assembly.
- External hex drive design allows for high-torque installation using standard tools, improving efficiency in assembly lines.
- Compliance with major standards including ASME B18.2.1 and SAE J429 guarantees interchangeability and quality assurance.
Professional Applications & Engineering Value
This Grade 5 hex head screw delivers critical engineering value through its zinc plated steel construction and 3/8"-16 UNC coarse thread design, specifically engineered to address common industrial challenges. The combination of 120,000 psi tensile strength and Rockwell C25 hardness makes it ideal for heavy-duty applications where vibration resistance and load-bearing capacity are paramount. The fully threaded configuration ensures maximum grip length in structural assemblies, machinery frames, and equipment manufacturing. The external hex drive facilitates quick installation in confined spaces while the zinc plating provides essential corrosion protection in manufacturing facilities, automotive applications, and construction projects where environmental exposure is a concern.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit with 3/8"-16 UNC coarse thread specifications, manufactured to ASME B18.2.1 and SAE J429 Grade 5 standards. The fastener maintains dimensional accuracy with a length of 1 3/8" and full threading throughout. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
