S-90128A632 3/8"-16 x 2" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel Socket 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 170,000 PSI ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
- Zinc-plated alloy steel construction provides superior corrosion resistance, extending the screw's lifespan in harsh environments.
- Class 3A thread fit guarantees precise, secure fastening with minimal play, ideal for critical assemblies requiring tight tolerances.
- Partially threaded design allows for controlled clamping force and easier alignment in varied mounting scenarios.
- Hex socket drive (5/16") enables high-torque installation with standard tools, preventing stripping and ensuring efficient assembly.
- Rockwell C37 hardness offers excellent durability and wear resistance, maintaining integrity under repeated use.
- Compliance with ASTM A574, RoHS 3, and REACH ensures adherence to industry standards for safety and environmental responsibility.
Professional Applications & Engineering Value
This 3/8"-16 UNC zinc-plated alloy steel socket head cap screw is engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in demanding settings. The coarse thread and Class 3A thread fit provide superior grip and alignment in materials like metal and hardened plastics, reducing installation errors. With a partially threaded shank and right-hand thread direction, it offers controlled clamping in machinery, automotive, and construction applications, ensuring long-term reliability. The zinc plating enhances corrosion resistance, while the high tensile strength supports heavy-duty use, making it a versatile solution for engineers seeking durability and precision.
Specification Summary & Compliance
This screw features precise Class 3A thread fit per UNC standards, with a thread size of 3/8"-16 and a minimum thread length of 1 1/2". It meets ASTM A574 specifications for socket head cap screws and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry adherence.
