S-90117A126 8-32 x 3/4" ASME B18.3 Alloy Steel Wire-Lockable Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
• High tensile strength of 170,000 psi ensures reliable performance under heavy loads and vibration.
• Precise Class 3A thread fit guarantees smooth installation and secure fastening without cross-threading.
• Fully threaded design provides consistent clamping force along the entire length for uniform load distribution.
• Hex socket drive allows high torque application and access in confined spaces with standard tools.
• Rockwell C37 hardness offers excellent wear resistance and durability for long-term use.
• Compliance with ASME B18.3, RoHS 3, and REACH ensures quality, safety, and environmental standards are met.

Professional Applications & Engineering Value

This 8-32 UNC thread socket head cap screw is engineered for demanding industrial applications where precision and reliability are critical. The black-oxide alloy steel construction provides enhanced corrosion protection, making it ideal for machinery, automotive assemblies, and electronic enclosures exposed to moisture or chemicals. The coarse thread spacing and Class 3A fit facilitate quick installation and reduce the risk of stripping in high-vibration environments. With a fully threaded design and hex drive, it ensures maximum grip and ease of use in tight spaces, supporting efficient maintenance and reducing downtime in production lines.

Specification Summary & Compliance

This screw features a 3/4" length with UNC coarse threads and Class 3A thread fit for precise dimensional accuracy. It meets ASME B18.3 specifications for socket head cap screws, ensuring consistent quality and performance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for industrial use.