S-91274A460 1/2"-13 x 2" ASME B18.3, ASTM A574, ASTM B117 Alloy Steel Socket Head Screws
Alloy Steel Socket Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-flake coating, ideal for harsh industrial environments
- Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications
- Precise Class 3A thread fit provides secure fastening and reduces the risk of loosening
- High hardness (Rockwell C37) offers excellent wear resistance and durability
- 3/8" hex drive compatibility allows for easy installation with standard tools
- Coarse UNC threading enables quick assembly and disassembly
- Compliance with major standards including ASME B18.3 and ASTM A574 ensures quality and reliability
Professional Applications & Engineering Value
This zinc-flake-coated alloy steel socket head cap screw is engineered to address critical industrial challenges, such as vibration resistance and environmental durability. The 1/2"-13 UNC coarse thread design facilitates rapid installation in heavy machinery, automotive assemblies, and construction equipment, reducing assembly time while maintaining integrity. Its high tensile strength of 170,000 psi and Class 3A thread fit ensure a secure hold in high-load scenarios, minimizing failure risks. The corrosion-resistant coating, tested per ASTM B117, protects against rust and chemical exposure, making it ideal for outdoor or corrosive settings. By meeting ASME B18.3 and ASTM A574 standards, this screw delivers consistent performance for engineers seeking reliable, long-lasting fastening solutions in demanding applications.
Specification Summary & Compliance
This socket head cap screw features precise Class 3A thread fit and UNC coarse threading with a 1/2"-13 size, ensuring dimensional accuracy per ASME B18.3 and material standards under ASTM A574. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, and the zinc-flake coating meets ASTM B117 testing for corrosion resistance, providing assurance for industrial and environmental safety requirements.
