S-90117A123 6-32 x 3/4" ASME B18.3 Alloy Steel Wire-Lockable Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Precision Class 3A thread fit guarantees tight tolerances and secure mating with nuts or tapped holes, minimizing backlash and improving assembly accuracy.
• Black-oxide finish on alloy steel provides corrosion resistance and a durable, non-galling surface, extending service life in harsh industrial environments.
• Hex socket drive design allows for high torque application and easy installation in confined spaces, enhancing efficiency during assembly and maintenance.
• Fully threaded right-hand coarse UNC design offers quick installation and strong holding power, ideal for rapid assembly lines and vibration-resistant connections.
• Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations, providing peace of mind for quality-conscious buyers.
• Rockwell C37 hardness combines toughness with machinability, resisting wear and deformation over repeated use in mechanical systems.

Professional Applications & Engineering Value

This black-oxide alloy steel socket head cap screw is engineered to address critical challenges in industrial settings, such as vibration loosening and corrosion-induced failure. The 6-32 UNC coarse thread with Class 3A fit ensures precise engagement in machinery, automotive, and electronics assemblies, where dimensional accuracy is paramount. The hex drive and fully threaded design facilitate secure fastening in tight spaces, reducing installation time and improving reliability. By utilizing alloy steel with a protective black-oxide coating, it resists environmental degradation, making it suitable for outdoor equipment and high-humidity applications. Its high tensile strength and hardness support heavy-load components, ensuring long-term performance without frequent replacements.

Specification Summary & Compliance

This screw features a 6-32 UNC thread with Class 3A fit for precise dimensional accuracy, and is manufactured to meet ASME B18.3 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are adhered to. The inch-based measurements, including a length of 3/4" and drive size of 7/64", support standardized industrial use.