S-92311A193 8-32 x 7/16" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments
• Precise, reliable thread engagement with Class 3A fit for minimal backlash and secure assemblies
• High-strength performance backed by Rockwell B80 hardness for durable, long-term fastening
• Secure, non-slip installation using the 5/64" hex drive, allowing high torque application
• Enhanced grip and alignment from the cup tip design, preventing component slippage
• Broad industrial compatibility with UNC coarse threads and right-hand direction for common applications
• Regulatory peace of mind with compliance to RoHS 3 and REACH for safe, sustainable use

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 8-32 UNC set screw delivers exceptional holding power and reliability. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, making it suitable for machinery, automotive, and outdoor equipment where exposure to moisture or chemicals is a concern. Its Class 3A thread fit ensures tight tolerances, reducing the risk of loosening under vibration—a common challenge in dynamic assemblies. The hex headless design with a cup tip provides concentrated contact pressure, securely locking shafts, collars, and pulleys in place without marring surfaces. Complying with ASME B18.3, this screw meets rigorous engineering standards, offering consistent performance in precision applications like motor mounts, gear systems, and conveyor components.

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 UNC coarse threads (8-32 size) with right-hand direction and a length of 7/16". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial markets.