S-91864A085 6-32 x 3/16" ASTM A574 Alloy Steel Socket Head Screws

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.
• Class 3A thread fit provides superior engagement and precise assembly, minimizing backlash and improving joint integrity.
• Black-oxide finish on alloy steel offers enhanced corrosion resistance and durability in demanding industrial environments.
• Rockwell C37 hardness delivers excellent wear resistance, extending the screw's service life under repetitive loads.
• Fully threaded design with UNC coarse threads allows for faster installation and strong holding power in various materials.
• Hex socket drive (7/64") enables secure tool engagement and high torque application without slippage.
• Compliance with ASTM A574, RoHS 3, and REACH ensures material consistency, environmental safety, and regulatory acceptance.

Professional Applications & Engineering Value

Engineered for precision and reliability, these socket head cap screws with 6-32 UNC threads and Class 3A fit address critical needs in machinery, automotive, and electronics assembly. The black-oxide alloy steel construction combats corrosion and wear, while the 170,000 psi tensile strength handles dynamic loads without deformation. Ideal for applications requiring high-strength fasteners with consistent performance, the coarse thread design ensures quick, secure fastening in metals and composites, reducing assembly time and maintenance costs in industrial settings.

Specification Summary & Compliance

This screw features a 3/16" length with UNC coarse threads and Class 3A thread fit for precise dimensional accuracy. Manufactured to ASTM A574 specifications, it ensures high quality and consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), meeting environmental and safety standards for industrial use.