S-94105A362 1/4"-28 x 1 1/2" 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 critical 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 deformation under heavy loads
• Secure, flush installation with a headless hex drive design, ideal for confined spaces and smooth surface applications
• Fine thread engagement (UNF 1/4"-28) for improved adjustment accuracy and reduced loosening in dynamic conditions
• Reliable compliance with ASME B18.3 standards, ensuring consistent quality and interchangeability
• Environmental safety through RoHS 3 and REACH compliance, meeting global regulatory requirements for industrial use

Professional Applications & Engineering Value

This 1/4"-28 UNF Class 3A set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. The black-oxide alloy steel construction, combined with a Rockwell C45 hardness, provides exceptional resistance to wear and environmental factors, making it ideal for machinery, automotive, and precision equipment where reliable torque transmission is critical. The headless hex drive and fine threads ensure a secure, low-profile fit that minimizes protrusion and maintains alignment in rotating parts, shafts, and collars. By meeting ASME B18.3 specifications, this screw delivers consistent performance in high-stress applications, reducing maintenance needs and downtime.

Specification Summary & Compliance

This set screw adheres to Class 3A thread fit tolerances for precision alignment and features a 1/4"-28 UNF fine thread with right-hand direction. Manufactured in compliance with ASME B18.3 standards and backed by RoHS 3 and REACH environmental regulations, it ensures safe, reliable use across global industrial sectors.