S-90128A367 3/8"-24 x 1 1/4" 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.
- Zinc-plated alloy steel construction provides excellent corrosion resistance, extending service life in harsh industrial environments.
- Class 3A fine thread fit offers superior vibration resistance and precise assembly, minimizing loosening in dynamic operations.
- Fully threaded design allows for uniform load distribution and consistent clamping force along the entire length.
- 5/16" hex drive socket head enables easy installation and removal with standard tools, improving maintenance efficiency.
- High hardness (Rockwell C37) enhances wear resistance, maintaining thread integrity through repeated use.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety for global supply chains.
Professional Applications & Engineering Value
This 3/8"-24 UNF socket head cap screw is engineered to address critical challenges in industrial assembly, such as vibration-induced loosening and corrosion in demanding conditions. The zinc-plated alloy steel material combines high tensile strength with protective coating, ideal for machinery, automotive, and heavy equipment where durability is paramount. The Class 3A fine thread and fully threaded rod design provide secure fastening in precision applications, reducing maintenance downtime. Its hex drive socket head facilitates quick installation in confined spaces, enhancing workflow efficiency while meeting strict ASTM A574 standards for reliable performance.
Specification Summary & Compliance
This screw features a 3/8"-24 UNF fine thread with Class 3A fit for high precision, a length of 1 1/4", and a 5/16" hex drive. It complies with ASTM A574 specifications for material quality, and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to environmental and safety regulations.
