S-90044A146 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 applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide finish prolongs service life in harsh industrial environments, minimizing maintenance needs.
- Precision Class 3A threads provide a secure, tight fit with consistent engagement, enhancing assembly reliability and vibration resistance.
- High hardness rating (Rockwell C37) offers excellent wear resistance, maintaining thread integrity through repeated use and disassembly.
- Hex socket drive design allows for easy installation in confined spaces with standard tools, improving assembly efficiency.
- Full threading along the 2" length enables versatile positioning and adjustment, accommodating various material thicknesses.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety, meeting rigorous industry standards.
Professional Applications & Engineering Value
This Black-Oxide Alloy Steel Socket Head Cap Screw is engineered to address critical challenges in heavy-duty mechanical assemblies, such as machinery, automotive systems, and construction equipment. The UNRC coarse thread design facilitates quick installation and reduces cross-threading risks, while the alloy steel material with Rockwell C37 hardness withstands high dynamic loads and abrasion. The black-oxide surface treatment provides a durable barrier against moisture and chemicals, extending fastener life in corrosive conditions. Ideal for applications requiring high-strength fasteners with precise Class 3A thread fit, it ensures long-term stability and reduces downtime in industrial operations.
Specification Summary & Compliance
This socket head cap screw features a 3/8"-16 UNRC coarse thread with Class 3A fit for precise dimensional accuracy. It meets ASTM A574 specifications for high-strength alloy steel, ensuring consistent mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards without restricted substances.
