S-94355A750 1/2"-20 x 1" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Exceptional thread precision with Class 3A fit ensures tight, secure fastening and minimizes the risk of loosening under vibration.
• High torque capability from the 1/4" hex drive and Rockwell B80 hardness, providing robust installation and removal without stripping.
• Reliable fine thread engagement with 1/2"-20 UNF threads, offering increased clamping force and better adjustment in precision assemblies.
• Flush mounting design with a flat tip and headless style, allowing for unobtrusive fastening in confined spaces.
• Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability in professional applications.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, supporting sustainable and safe usage in regulated industries.

Professional Applications & Engineering Value

This 1/2"-20 UNF Class 3A set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Made from 18-8 stainless steel, it offers excellent resistance to rust and oxidation, making it suitable for applications in machinery, automotive, and marine environments where moisture is a concern. The fine thread and Class 3A thread fit provide superior holding power and precise adjustment in high-vibration settings, while the hex headless design with a flat tip ensures a secure, flush fit that prevents interference in compact assemblies. Ideal for securing gears, pulleys, and other rotating parts, this set screw delivers reliable performance in demanding industrial applications, reducing maintenance needs and enhancing operational safety.

Specification Summary & Compliance

This set screw features a 1/2"-20 UNF fine thread with Class 3A thread fit for high precision and tight tolerances. It adheres to ASME B18.3 manufacturing specifications, ensuring dimensional accuracy and reliability. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming its safety and environmental standards for global use.