S-92765A311 1/4"-20 x 1" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Class 3A thread fit for precise, vibration-resistant fastening in demanding applications.
• Exceptional corrosion resistance from the black-oxide finish, extending service life in harsh industrial environments.
• High-strength durability provided by alloy steel and Rockwell C45 hardness, ensuring reliable performance under heavy loads.
• Easy installation and removal with the 1/8" hex drive, allowing for efficient assembly and maintenance in tight spaces.
• Secure component positioning thanks to the oval tip design, which minimizes surface damage and improves grip.
• Wide compatibility with 1/4"-20 UNC coarse threads, making it ideal for various machinery and equipment assemblies.
• Confident compliance with ASME B18.3 standards and environmental regulations like RoHS 3 and REACH for safe, global use.

Professional Applications & Engineering Value

This Black-Oxide Alloy Steel set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Featuring a headless design and 1/8" hex drive, it allows for flush mounting in confined spaces, reducing protrusion risks and simplifying maintenance. The UNC coarse thread and Class 3A fit ensure quick, secure fastening with minimal thread stripping, while the oval tip distributes pressure evenly to prevent damage to shafts and collars. Ideal for precision machinery, automotive systems, and heavy-duty equipment, this screw provides long-term reliability and reduces downtime in high-vibration environments.

Specification Summary & Compliance

This set screw adheres to ASME B18.3 specifications, with precise Class 3A thread fit and 1/4"-20 UNC coarse thread spacing for consistent performance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory approval for industrial use worldwide.