S-90128A905 3/4"-10 x 1 3/4" 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 industrial applications, reducing the risk of fastener failure.
• Class 3A thread fit provides superior precision and tighter tolerances for secure, vibration-resistant assemblies in demanding environments.
• Zinc-plated alloy steel construction offers excellent corrosion resistance, extending service life and maintaining integrity in harsh conditions.
• Fully threaded design allows for maximum grip and uniform load distribution along the entire length, enhancing joint stability.
• Coarse UNC threads enable quicker installation and easier alignment, saving time and labor in assembly processes.
• Hex drive compatibility with a 5/8" drive size ensures easy installation and removal using standard tools, improving workflow efficiency.
• Compliance with ASTM A574, RoHS 3, and REACH guarantees adherence to industry standards for safety and environmental responsibility, supporting sustainable procurement.

Professional Applications & Engineering Value

This 3/4"-10 UNC Socket Head Cap Screw is engineered from zinc-plated alloy steel to address critical challenges in heavy-duty industrial settings, such as machinery, automotive, and construction assemblies. Its Rockwell C37 hardness and 170,000 psi tensile strength provide robust resistance to shear and tensile forces, minimizing deformation under load. The Class 3A thread fit and coarse thread design ensure precise engagement and rapid installation, reducing assembly time while enhancing vibration resistance. Ideal for applications requiring high reliability, this fully threaded fastener distributes stress evenly, preventing loosening in dynamic environments. By incorporating ASTM A574 standards and eco-friendly compliance, it delivers consistent performance and durability for engineers prioritizing safety and efficiency.

Specification Summary & Compliance

This product features precise Class 3A thread fit with UNC coarse threads and a right-hand thread direction, ensuring accurate and secure fastening. It meets ASTM A574 specifications for high-strength socket head cap screws, with dimensions including a 1 3/4" length, 5/8" hex drive, and 1 1/8" head diameter. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it adheres to environmental and safety standards for industrial use.