S-94105A825 10-32 x 1/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Class 3A thread fit ensuring tight, secure fastening in precision assemblies
• Enhanced corrosion resistance from the black-oxide finish, extending service life in harsh industrial environments
• High-strength durability provided by alloy steel with Rockwell C45 hardness, resisting wear and deformation under load
• Space-saving headless design allows for flush mounting in confined spaces without protruding components
• Reliable fine threading (UNF) offers increased adjustment precision and vibration resistance compared to coarse threads
• Easy installation and removal with standardized 3/32" hex drive, compatible with common tools for efficient maintenance
• Broad regulatory compliance including RoHS 3 and REACH, ensuring safe use in global markets and sensitive applications

Professional Applications & Engineering Value

This 10-32 UNF set screw is engineered to address critical challenges in precision machinery, automotive systems, and electronic enclosures where vibration resistance and secure positioning are paramount. The black-oxide alloy steel construction combats rust and oxidation in humid or chemically aggressive settings, reducing maintenance downtime. Its headless hex drive design is ideal for applications requiring a flush surface, such as shaft collars, gears, and pulleys, preventing interference with moving parts. The fine UNF threads and Class 3A fit deliver exceptional clamping force, minimizing loosening in high-stress operations. By meeting ASME B18.3 standards, it ensures interchangeability and reliability in OEM and MRO contexts, providing consistent performance for assembly lines and precision equipment.

Specification Summary & Compliance

This set screw features a 10-32 UNF fine thread with Class 3A thread fit for precise tolerances and optimal engagement. Dimensions include a 1/4" length, 0.19" thread diameter, and 3/32" hex drive with a flat tip for concentrated contact pressure. Manufactured from alloy steel hardened to Rockwell C45, it complies with ASME B18.3 specifications. The product is verified as RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for hazardous substances.