S-90044A287 1-64 x 1" 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 in demanding applications.
• Superior corrosion resistance from the black-oxide finish on alloy steel extends service life in harsh industrial environments, minimizing maintenance and replacement costs.
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies, enhancing joint integrity and operational safety.
• High hardness rating of Rockwell C37 offers excellent wear resistance, maintaining thread integrity and drive performance through repeated use.
• Hex socket drive design allows for easy installation and removal with standard tools, improving assembly efficiency and reducing labor time.
• Coarse UNC 1-64 threads enable quick engagement and strong holding power in a variety of materials, streamlining production processes.
• Compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety, meeting global regulatory standards for industrial components.

Professional Applications & Engineering Value

This black-oxide alloy steel socket head cap screw is engineered to address critical challenges in industrial fastening, such as vibration loosening and corrosion-induced failure. The UNC coarse thread design with Class 3A fit ensures rapid, secure installation in machinery, automotive assemblies, and heavy equipment, where precision and durability are paramount. The high tensile strength and Rockwell C37 hardness provide reliable performance in high-load applications, reducing downtime and maintenance costs. Ideal for use in industrial fasteners requiring consistent torque and environmental resistance, this screw's partially threaded configuration offers flexibility in clamping and alignment tasks, making it a versatile choice for engineers seeking robust, compliant solutions.

Specification Summary & Compliance

This socket head cap screw features precise inch system dimensions, including a 1" length and Class 3A thread fit for superior accuracy. It adheres to UNC 1-64 coarse thread standards and is manufactured in compliance with ASTM A574 specifications. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial applications.