S-92311A325 5-40 x 5/16" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional holding power ensured by Class 3A thread fit for precise, vibration-resistant fastening
• High durability with Rockwell B80 hardness, maintaining integrity under repeated use and stress
• Easy installation in confined spaces thanks to the headless design and 1/16" hex drive
• Reliable grip and minimal surface damage from the cup tip, protecting components during securement
• Wide compatibility with coarse UNC threads, facilitating quick assembly in various applications
• Compliance with strict industry standards including ASME B18.3, ensuring consistent quality and safety

Professional Applications & Engineering Value

This 5-40 UNC set screw is engineered to address common industrial challenges such as component slippage and corrosion in demanding settings. Made from 18-8 stainless steel, it offers excellent resistance to rust and chemicals, reducing maintenance needs in machinery, automotive, and electronics. The headless hex drive and right-hand coarse threads allow for efficient torque application and secure fastening in tight spaces, while the cup tip minimizes marring on surfaces. Ideal for permanent assemblies, this screw ensures reliable performance in high-vibration environments, supporting long-term operational stability and reducing downtime for B2B clients.

Specification Summary & Compliance

This set screw features a 5-40 UNC thread size with Class 3A thread fit for high precision and strength. It adheres to ASME B18.3 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for industrial use.