S-91274A384 7/16"-14 x 1" ASME B18.3, ASTM A574, ASTM B117 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the zinc-flake coating extends service life in harsh environments, minimizing maintenance and replacement costs.
• Precise Class 3A thread fit provides tighter tolerances for secure fastening, enhancing assembly integrity and vibration resistance.
• High hardness rating (Rockwell C37) offers excellent wear resistance, maintaining thread integrity through repeated use.
• Fully threaded design allows for maximum grip and adjustability across the entire length, improving load distribution.
• 3/8" hex drive compatibility enables easy installation with standard tools, speeding up assembly processes.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance for global supply chains.

Professional Applications & Engineering Value

This 7/16"-14 UNC Socket Head Cap Screw is engineered to address critical challenges in demanding industrial settings, such as machinery assembly, automotive systems, and heavy equipment manufacturing. The zinc-flake-coated alloy steel construction provides robust protection against corrosion and chemical exposure, significantly extending component lifespan in outdoor or humid conditions. With its coarse thread spacing and Class 3A thread fit, it delivers superior clamping force and vibration resistance, preventing loosening under dynamic loads. The fully threaded right-hand design ensures consistent engagement in deep or blind holes, making it ideal for high-precision applications where reliability is paramount. By meeting ASME B18.3 and ASTM A574 standards, it guarantees dimensional accuracy and material consistency, reducing installation errors and enhancing overall engineering efficiency.

Specification Summary & Compliance

This socket head cap screw features a 7/16"-14 UNC thread with Class 3A fit for precise dimensional accuracy and coarse thread spacing. It complies with ASME B18.3 and ASTM A574 manufacturing specifications, ensuring consistent quality and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.