S-90128A370 3/8"-24 x 1 1/2" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Class 3A fine thread fit provides precise engagement and vibration resistance, maintaining secure connections in dynamic environments.
• Zinc-plated alloy steel construction offers excellent corrosion resistance, extending service life in harsh industrial conditions.
• Hex socket drive design allows for easy installation and high torque application, minimizing tool slippage and damage.
• Full threading along the 1-1/2" length ensures consistent holding power and flexibility in various assembly setups.
• Rockwell C37 hardness enhances durability and wear resistance, supporting long-term reliability in repetitive use.
• Compliance with ASTM A574, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety, simplifying procurement for regulated sectors.

Professional Applications & Engineering Value

These 3/8"-24 UNF socket head cap screws are engineered to address common industrial challenges, such as vibration loosening and corrosion-induced degradation. The fine thread design and Class 3A fit provide superior clamping force and stability, making them ideal for precision machinery, automotive assemblies, and heavy equipment where alignment and reliability are critical. Constructed from zinc-plated alloy steel, they resist rust and wear in demanding environments, while the hex socket head enables efficient installation in confined spaces. By combining high tensile strength with rigorous standards compliance, these screws reduce maintenance needs and enhance operational safety in B2B applications like manufacturing and construction.

Specification Summary & Compliance

This product features precise Class 3A thread fit and UNF fine threads with a diameter of 0.375" and 24 threads per inch, ensuring accurate engagement. Manufactured in accordance with ASTM A574 specifications, it meets high-strength requirements and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable use in global industrial markets.