S-92158A199 8-32 x 1/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Precise and secure fastening ensured by the Class 3A thread fit, minimizing the risk of loosening under vibration.
• High-strength durability from Rockwell B80 hardness, providing reliable performance in demanding mechanical assemblies.
• Easy installation and removal with the 5/64" hex drive, allowing for efficient tool engagement in confined spaces.
• Excellent grip and alignment due to the coarse UNC thread spacing, facilitating quick assembly and reducing cross-threading risks.
• Versatile flat tip design offers consistent surface contact, preventing damage to shafts and components in set screw applications.
• Compliance with major standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This 8-32 UNC set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Made from 316 stainless steel, it provides exceptional resistance to chemicals, moisture, and high temperatures, making it suitable for marine, chemical processing, and food industry applications. The Class 3A thread fit and coarse thread spacing ensure tight tolerances and rapid installation, reducing assembly time while maintaining joint integrity. Its headless design with a hex drive allows for flush mounting in tight spaces, offering a reliable solution for securing collars, gears, and pulleys without protruding hardware. This combination of material durability and precision engineering delivers long-term performance in dynamic or corrosive environments.

Specification Summary & Compliance

This set screw adheres to ASME B18.3 specifications, with a Class 3A thread fit for high precision in inch measurements. It features a UNC coarse thread with a diameter of 0.164" and a length of 1/4", ensuring dimensional accuracy. 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 sectors without hazardous substances.