S-91274A396 7/16"-14 x 1 3/4" 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
- 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-flake coating extends service life in harsh industrial environments, minimizing maintenance needs.
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies in critical machinery.
- High hardness (Rockwell C37) offers excellent wear resistance, maintaining thread integrity through repeated use.
- 3/8" hex drive design allows for easy installation and removal with standard tools, improving assembly efficiency.
- Coarse UNC threading enables faster installation and better performance in materials prone to stripping.
- Full threading along the 1 3/4" length ensures maximum grip and adjustability in various assembly configurations.
Professional Applications & Engineering Value
This zinc-flake-coated alloy steel socket head cap screw is engineered to address common industrial challenges such as vibration loosening and environmental degradation. The Class 3A thread fit and coarse UNC threading provide superior holding power in heavy machinery, automotive assemblies, and construction equipment where reliability is critical. The high tensile strength and Rockwell C37 hardness ensure durability under dynamic loads, while the corrosion-resistant coating protects against moisture and chemicals. Ideal for industrial applications requiring precise, high-strength fastening solutions that comply with rigorous engineering standards.
Specification Summary & Compliance
This socket head cap screw features a 7/16"-14 UNC thread with Class 3A precision fit and coarse thread spacing for optimal performance. Manufactured to meet ASME B18.3 and ASTM A574 specifications, ensuring dimensional accuracy and material consistency. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe industrial use.
