S-92695A729 6-40 x 1/8" 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 assemblies in demanding applications.
• Enhanced corrosion resistance from the Black-Oxide finish on Alloy Steel, extending service life in industrial environments.
• Reliable, flush mounting thanks to the headless design and 90° cone point for secure component positioning without protrusion.
• High-strength performance backed by Rockwell C45 hardness, ensuring durability under mechanical stress.
• Easy installation and removal with the 1/16" hex drive, allowing for efficient assembly in confined spaces.
• Wide compatibility with fine (UNF) right-hand threads and inch system measurements for versatile use across machinery.
• Regulatory peace of mind through compliance with RoHS 3 and REACH, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This 6-40 UNF set screw is engineered to address critical challenges in precision assemblies, such as slippage and misalignment in rotating components. The Black-Oxide Alloy Steel construction provides a protective layer against rust and wear, ideal for automotive, aerospace, and machinery sectors where environmental factors are a concern. Its 90° cone point and fine thread spacing ensure deep penetration and firm grip on shafts or collars, minimizing loosening from vibrations. With a headless design and compact 1/8" length, it facilitates seamless integration in tight spaces, enhancing overall system reliability. This fastener is a trusted solution for engineers seeking high-performance set screws that combine strength, precision, and regulatory compliance for long-term operational stability.

Specification Summary & Compliance

This product adheres to Class 3A thread fit for high precision in the Unified National Fine (UNF) system, with a thread size of 6-40 and diameter of 0.138". It meets ASME B18.3 specifications for dimensional accuracy and performance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial applications.