S-91251A363 7/16"-14 x 3/8" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Precise Class 3A thread fit provides superior engagement and vibration resistance in demanding applications.
• Black-oxide coating on alloy steel offers enhanced corrosion resistance and a durable, non-reflective finish.
• Fully threaded UNC coarse design allows for faster installation and improved grip in a variety of materials.
• Rockwell C37 hardness delivers excellent wear resistance and long-term durability in harsh environments.
• 3/8" hex drive socket head enables easy installation with standard tools, even in confined spaces.
• Compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety for industrial use.

Professional Applications & Engineering Value

These socket head cap screws are engineered to address critical challenges in heavy machinery, automotive assembly, and structural frameworks where high tensile strength and vibration resistance are paramount. The black-oxide alloy steel construction, combined with a Class 3A thread fit and UNC coarse threading, ensures secure fastening in high-load scenarios, minimizing loosening over time. Ideal for applications requiring reliable torque transmission and durability, such as in manufacturing equipment or construction projects, these screws provide consistent performance while meeting stringent industry standards for safety and compliance.

Specification Summary & Compliance

This 7/16"-14 UNC socket head cap screw features precise Class 3A thread fit and coarse thread spacing for optimal engagement. Manufactured in accordance with ASTM A574 specifications, it ensures dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible industrial practices.