S-91274A028 6-32 x 1" ASME B18.3, ASTM A574, ASTM B117 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 corrosion resistance with zinc-flake coating, ideal for harsh industrial environments and extending service life.
- Superior tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, preventing fastener failure.
- Precise Class 3A thread fit guarantees secure, vibration-resistant assemblies with minimal risk of loosening.
- High hardness (Rockwell C37) provides excellent wear resistance and durability for repeated use.
- Standard hex socket drive (7/64") allows for easy installation and high torque application in confined spaces.
- Fully threaded right-hand UNC coarse thread design offers quick assembly and strong holding power.
- Compliance with major industry standards including ASME B18.3, ASTM A574, and ASTM B117 ensures consistent quality and reliability.
Professional Applications & Engineering Value
This zinc-flake-coated alloy steel socket head cap screw is engineered to solve critical challenges in demanding applications such as heavy machinery, automotive assemblies, and precision equipment. The 6-32 UNC coarse thread and Class 3A fit provide superior grip and vibration resistance, reducing maintenance needs in dynamic environments. The high tensile strength of 170,000 psi and Rockwell C37 hardness ensure the fastener withstands extreme loads and wear, making it ideal for structural components and high-stress joints. Its corrosion-resistant zinc-flake coating protects against rust and chemical exposure, extending the lifespan of industrial assemblies and ensuring long-term reliability.
Specification Summary & Compliance
This socket head cap screw features a 6-32 UNC thread with Class 3A precision and a coarse thread spacing for robust fastening. It is manufactured in compliance with ASME B18.3, ASTM A574, and ASTM B117 standards, ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe industrial use.
