S-91375A144 6-32 x 1/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in demanding industrial environments.
• High-strength, reliable clamping force due to Rockwell C45 hardness and alloy steel construction, preventing loosening under vibration.
• Precise Class 3A thread fit ensures tight tolerances and secure fastening, minimizing the risk of assembly failures.
• Easy installation and removal with the 1/16" hex drive and headless design, ideal for confined spaces.
• Enhanced grip and minimal surface damage from the cup tip, providing excellent holding power on shafts and components.
• Wide compatibility with UNC coarse threads, facilitating quick assembly and disassembly in various applications.
• Compliance with major industry standards including ASME B18.3, ensuring consistent quality and performance.

Professional Applications & Engineering Value

This 6-32 x 1/4" set screw is engineered to address common challenges in industrial settings, such as component slippage and corrosion-induced failure. Crafted from black-oxide alloy steel, it offers enhanced durability and resistance to rust, making it suitable for machinery, automotive, and electrical assemblies where exposure to oils and moisture is frequent. The UNC coarse thread and Class 3A fit provide a secure, vibration-resistant hold, while the headless design and hex drive allow for flush mounting in tight spaces. Its cup tip concentrates pressure for a firm grip without damaging surfaces, ensuring long-term reliability in industrial set screw applications that demand precision and strength.

Specification Summary & Compliance

This set screw adheres to precise dimensional standards, including UNC thread with a Class 3A fit for high accuracy. It meets ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for global industrial use.