S-90128A802 5/8"-11 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 zinc plating protects the alloy steel, extending service life in harsh industrial environments.
- Precise Class 3A thread fit guarantees tight, secure connections with minimal play, enhancing assembly accuracy and vibration resistance.
- High hardness (Rockwell C37) provides excellent wear resistance, maintaining thread integrity and drive engagement over repeated use.
- Fully threaded UNC coarse design allows for faster installation and higher clamping force, improving efficiency in heavy-duty assemblies.
- 1/2" hex drive with standard socket head offers easy access and high torque application, reducing installation time and tool slippage.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety, meeting global industry standards.
Professional Applications & Engineering Value
This zinc-plated alloy steel socket head cap screw is engineered to address critical challenges in demanding sectors such as machinery, automotive, and construction. Its UNC coarse thread and Class 3A thread fit provide superior grip and alignment, minimizing loosening under dynamic loads. The fully threaded right-hand design ensures consistent load distribution, while the high tensile strength and Rockwell C37 hardness resist deformation and fatigue in high-vibration environments. Ideal for heavy-duty fastening, it offers reliable performance where precision, durability, and compliance with ASTM A574 standards are essential for operational safety and longevity.
Specification Summary & Compliance
This socket head cap screw features a 5/8"-11 UNC coarse thread with Class 3A thread fit for precise dimensional accuracy. It is manufactured in accordance with ASTM A574 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for industrial use.
