S-90342A118 8-32 x 1/2" 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.
• Black-oxide finish on alloy steel provides superior corrosion resistance, extending service life in harsh industrial environments.
• Integrated split lock washer prevents loosening from vibration, maintaining secure fastening without additional components.
• Class 3A thread fit offers precise, tight tolerances for smooth assembly and improved joint integrity.
• Rockwell C39 hardness delivers excellent wear resistance, ensuring durability through repeated use.
• Hex socket drive design allows for high torque application and easy installation in confined spaces.
• Coarse UNC threads enable quick engagement and reduced cross-threading risks, speeding up assembly processes.

Professional Applications & Engineering Value

This 8-32 UNC thread socket head cap screw is engineered to address critical challenges in industrial assembly, such as vibration-induced loosening and corrosion. The black-oxide alloy steel construction, combined with a split lock washer, provides a robust solution for machinery, automotive, and heavy equipment applications where reliability is paramount. Its fully threaded design ensures consistent clamping force, while the hex drive facilitates efficient installation with standard tools. Ideal for high-stress environments, this fastener maintains integrity under dynamic loads, reducing maintenance needs and downtime.

Specification Summary & Compliance

This screw adheres to UNC coarse thread standards with a Class 3A thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards. Manufactured with a right-hand thread and fully threaded rod type, it includes a black-oxide steel split lock washer for enhanced fastening security.