S-90128A145 6-32 x 5/16" 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 demanding industrial environments.
- Class 3A thread fit offers superior precision and tighter tolerances for secure, vibration-resistant assemblies.
- Coarse UNC threading allows for faster installation and easier alignment, saving valuable assembly time.
- Hex socket drive design enables high torque application and secure tool engagement, minimizing stripping and slippage.
- Full threading along the entire length ensures maximum grip and uniform load distribution across the fastened components.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees material consistency and environmental safety for global industrial use.
Professional Applications & Engineering Value
This 6-32 UNC Socket Head Cap Screw is engineered to address critical challenges in machinery, automotive, and heavy equipment assembly. The zinc-plated alloy steel material combats rust and wear, while the Rockwell C37 hardness ensures durability against deformation. The coarse thread spacing and Class 3A fit provide quick, secure fastening even in high-vibration settings, reducing maintenance needs. Its fully threaded, right-hand design with a hex drive allows for efficient installation in confined spaces, making it ideal for precision engineering applications where reliability and compliance with ASTM A574 are paramount.
Specification Summary & Compliance
This screw adheres to Class 3A thread fit and UNC coarse thread standards with precise dimensional accuracy. It meets ASTM A574 specifications for high-strength socket head cap screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and consistent performance in industrial applications.
