S-92610A385 5/16"-18 x 1 1/4" ASTM A574 Torx Alloy Steel Socket Head Screws
Torx 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
- Superior torque transmission with Torx Plus IP45 drive for reduced cam-out and extended tool life in high-stress assembly.
- Exceptional tensile strength of 180,000 psi ensures reliable performance under heavy loads and vibration.
- Enhanced corrosion resistance from the black-oxide finish on alloy steel, ideal for harsh industrial environments.
- Precise thread engagement with Class 3A fit for secure fastening and minimal risk of cross-threading.
- High durability backed by Rockwell C39 hardness, maintaining structural integrity in demanding applications.
- Broad compatibility with 5/16"-18 UNC coarse threads, facilitating quick installation and widespread use.
- Regulatory compliance with ASTM A574, RoHS 3, and REACH, ensuring safety and environmental standards are met.
Professional Applications & Engineering Value
This Socket Head Cap Screw is engineered from black-oxide alloy steel to address critical challenges in industrial settings, such as corrosion and mechanical failure. The Torx Plus IP45 drive minimizes slippage, enabling higher torque application without damaging the fastener, which is vital for machinery, automotive, and aerospace assemblies. Its Class 3A thread fit and UNC coarse thread design ensure rapid, secure installations in high-vibration environments, reducing downtime. With a tensile strength of 180,000 psi and consistent hardness, it provides long-term reliability in heavy-duty applications, from construction equipment to manufacturing fixtures, enhancing operational efficiency and safety.
Specification Summary & Compliance
This screw features precise inch system dimensions, including a 5/16"-18 UNC thread with Class 3A fit for tight tolerances and optimal performance. It meets ASTM A574 specifications for high-strength alloy steel fasteners and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
