S-92865A648 3/8"-16 x 6" 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 under heavy loads, reducing the risk of fastener failure in demanding applications.
- Superior corrosion resistance from the zinc plating extends service life, making these screws ideal for environments where moisture or chemicals are present.
- Coarse UNC thread design provides faster installation and stronger holding power in a wide range of materials, improving assembly efficiency.
- Class 2A thread fit offers consistent, precise engagement for secure fastening without binding, ensuring smooth installation and removal.
- Fully threaded shank maximizes grip length and load distribution, enhancing joint integrity across the entire fastened area.
- External hex drive and hex head allow for high-torque application with standard tools, facilitating quick and secure tightening in confined spaces.
- Grade 5 strength classification and Rockwell C25 hardness deliver dependable durability, supporting repetitive use in structural and mechanical assemblies.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 5 steel hex head screw addresses critical needs for strength and reliability in construction, machinery, and automotive sectors. The coarse UNC thread and fully threaded design ensure rapid installation and robust clamping force, minimizing loosening under vibration. With a zinc plated finish, it resists corrosion in harsh environments, while the external hex drive enables efficient torque transfer for secure assemblies. Compliant with ASME B18.2.1 standards, it guarantees dimensional accuracy and performance consistency, making it a trusted choice for engineers seeking high tensile strength and long-term fastening solutions.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC coarse thread with Class 2A thread fit for precise tolerances, and is manufactured to meet ASME B18.2.1 and SAE J429 specifications. It is fully RoHS 3 (2015/863/EU) Compliant, ensuring adherence to environmental regulations without compromising on performance or safety in industrial use.
