S-91263A582 3/8"-16 x 3/4" ASTM F835 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated alloy steel construction, ideal for harsh industrial environments.
• Exceptional tensile strength of 130,000 psi ensures reliable, long-term fastening under high-stress conditions.
• Precise Class 3A thread fit provides smooth assembly and reduces the risk of cross-threading in demanding applications.
• Fully threaded coarse spacing (UNC) allows for faster installation and improved grip in various materials.
• 82° countersink angle with standard flat head profile enables a flush, secure fit for a professional finish.
• Hex drive (7/32") design offers easy installation and high torque capability with common tools.
• Compliance with ASTM F835, RoHS 3, and REACH ensures safety, environmental responsibility, and meeting global industry standards.

Professional Applications & Engineering Value

This 3/8"-16 UNC flat head screw is engineered from zinc-plated alloy steel to address common industrial challenges such as vibration loosening and corrosion in machinery, construction, and automotive assemblies. Its coarse thread spacing and Class 3A fit provide quick, secure fastening in metals and composites, reducing assembly time while maintaining integrity. The fully threaded design and 82° countersink angle ensure a tight, flush mount, minimizing protrusion risks. With high tensile strength and Rockwell C39 hardness, it delivers durability for heavy-duty fasteners in structural applications, supporting efficient maintenance and long service life.

Specification Summary & Compliance

This screw features a 3/8"-16 UNC thread with Class 3A fit and coarse spacing, ensuring precise dimensional accuracy. It meets ASTM F835 specifications for mechanical properties and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to environmental and safety standards in industrial use.