S-92311A417 1"-8 x 2 1/2" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel material, ensuring long-term reliability in harsh industrial environments.
• Exceptional vibration resistance due to the cup point tip design, providing a secure and permanent fastening solution.
• High-strength performance with Rockwell B80 hardness, offering durability and resistance to wear under heavy loads.
• Precise thread fit with Class 3A UNC coarse threads, enabling easy installation and reliable torque transmission.
• Easy installation and removal using a standard 9/16" hex drive, reducing assembly time and tooling requirements.
• Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory demands.

Professional Applications & Engineering Value

This 1"-8 UNC Class 3A hex headless set screw is engineered to address common industrial challenges such as component slippage and loosening under dynamic loads. The 18-8 stainless steel construction provides excellent resistance to corrosion and oxidation, making it ideal for applications in machinery, automotive assemblies, and outdoor equipment where exposure to moisture or chemicals is a concern. The cup point tip bites firmly into shafts or hubs, creating a permanent lock that withstands intense vibrations and rotational forces. With a coarse thread design and right-hand direction, it ensures quick and secure fastening in high-stress environments, reducing maintenance downtime and enhancing operational safety. This set screw is a reliable choice for engineers seeking durable, vibration-resistant fastening solutions that comply with stringent industry specifications.

Specification Summary & Compliance

This set screw features a 1"-8 UNC coarse thread with Class 3A fit for precise dimensional accuracy and reliable performance. It adheres to the ASME B18.3 manufacturing standard, ensuring consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial applications without hazardous substances.