S-90342A119 8-32 x 5/8" Alloy Steel Socket Head Screws with Split Lock Washer

Key Features & Benefits at a Glance

• Exceptional tensile strength of 180,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Durable Black-Oxide finish on alloy steel provides corrosion resistance and a professional appearance, extending service life in harsh environments.
• Integrated split lock washer prevents loosening from vibration, maintaining secure fastening without the need for additional components.
• Precise Class 3A thread fit offers superior thread engagement and consistent clamping force for critical assembly applications.
• Hex socket drive design allows for high torque application and easy installation in confined spaces, improving assembly efficiency.
• Rockwell C39 hardness ensures high wear resistance and durability, minimizing deformation during repeated use.
• Full threading provides uniform load distribution along the entire length, enhancing joint integrity in dynamic applications.

Professional Applications & Engineering Value

This 8-32 UNC thread socket head cap screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion. The Black-Oxide alloy steel construction, combined with a split lock washer, delivers reliable performance in machinery, automotive, and aerospace assemblies where high tensile strength and vibration resistance are critical. The coarse UNC thread and Class 3A fit ensure quick installation and secure fastening, reducing maintenance downtime and improving operational safety in demanding environments.

Specification Summary & Compliance

This screw features an 8-32 UNC coarse thread with Class 3A tolerance for precise fit, a 9/64" hex drive, and full threading. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use.