S-90117A194 10-32 x 5/8" 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.
• Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life and maintaining integrity in harsh industrial environments.
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies, minimizing loosening and improving joint reliability.
• Fine UNF threading offers better adjustment control and higher load distribution compared to coarse threads, ideal for precision machinery and equipment.
• Hex socket drive design allows for easy installation with standard tools, enabling efficient assembly and reducing downtime in production lines.
• Rockwell C37 hardness delivers excellent wear resistance, ensuring the screw maintains its shape and function through repeated use.
• Full compliance with ASME B18.3 guarantees consistent quality and interchangeability, supporting standardized engineering practices.

Professional Applications & Engineering Value

This 10-32 UNF socket head cap screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in heavy-duty assemblies. Made from black-oxide alloy steel, it combines high tensile strength with a protective coating that resists rust and wear, making it ideal for applications in machinery, automotive systems, and precision instruments. The fine thread spacing and Class 3A fit ensure a secure, tight connection that withstands dynamic loads, while the hex drive style simplifies maintenance and installation. By using this screw, engineers can enhance assembly durability, reduce maintenance costs, and achieve reliable performance in environments where precision and strength are critical.

Specification Summary & Compliance

This socket head cap screw adheres to ASME B18.3 specifications, with a Class 3A thread fit for precise dimensional accuracy and UNF fine threading (10-32 size). It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability. The screw features a right-hand thread direction, standard socket head profile, and is manufactured to meet industrial standards for consistent performance.