S-90128A940 10-32 x 3/8" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior tensile strength of 170,000 PSI ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in critical assemblies.
• Class 3A thread fit provides precise, tight tolerances for secure fastening and vibration resistance in demanding mechanical applications.
• Zinc-plated alloy steel construction offers excellent corrosion resistance, extending service life in harsh industrial environments.
• Fine UNF threads deliver enhanced grip and load distribution, ideal for applications requiring fine adjustments and secure connections.
• Rockwell C37 hardness ensures high durability and wear resistance, maintaining thread integrity through repeated use.
• Hex socket drive design allows for easy installation and removal with standard tools, improving assembly efficiency and reducing downtime.
• Full threading along the entire length provides maximum engagement and holding power in various material thicknesses.

Professional Applications & Engineering Value

This 10-32 UNF Socket Head Cap Screw is engineered to address common industrial challenges such as vibration loosening and material fatigue. The zinc-plated alloy steel material, combined with a Class 3A thread fit, ensures reliable performance in high-vibration environments like machinery, automotive assemblies, and precision equipment. The fine UNF threads and fully threaded design provide superior clamping force and resistance to dynamic loads, making it ideal for applications requiring exact alignment and secure fastening. Its compliance with ASTM A574 standards guarantees consistent quality, while the hex drive facilitates quick installation in confined spaces, enhancing productivity in maintenance and manufacturing operations.

Specification Summary & Compliance

This socket head cap screw features a 10-32 UNF thread size with Class 3A thread fit for precise dimensional accuracy. It is manufactured in accordance with ASTM A574 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability. The screw maintains a tensile strength of 170,000 PSI and Rockwell C37 hardness, supporting its use in high-performance industrial applications.