S-92311A910 1-72 x 3/32" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Precise, secure fastening ensured by Class 3A thread fit, minimizing backlash and maintaining tight tolerances in critical assemblies.
• High-strength performance with Rockwell B80 hardness, providing excellent resistance to wear and deformation under load.
• Easy installation and removal using a standard 0.035" hex key, allowing for efficient maintenance in confined spaces due to the headless design.
• Enhanced grip and minimal surface damage from the cup tip, which digs securely into shafts and components without splitting.
• Reliable fine thread engagement with 1-72 UNF threads, offering increased adjustment precision and vibration resistance in delicate mechanisms.
• Full regulatory compliance with ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental standards are met for global supply chains.

Professional Applications & Engineering Value

This 1-72 UNF Class 3A set screw is engineered to address common industrial challenges like vibration loosening and corrosion in precision equipment. Made from 18-8 stainless steel, it resists rust and chemical exposure, making it suitable for applications in electronics, medical devices, and automotive components where cleanliness and durability are critical. The headless hex drive and fine thread spacing allow for flush mounting and exact positioning in tight assemblies, reducing the risk of component shift. The cup tip design provides a firm bite into shafts, preventing slippage and ensuring reliable torque transmission. Ideal for securing gears, pulleys, and knobs, this screw enhances assembly integrity and minimizes maintenance needs in demanding environments.

Specification Summary & Compliance

This set screw features a 1-72 UNF fine thread with Class 3A fit for high precision and tight tolerance control. It adheres to ASME B18.3 manufacturing standards, ensuring consistent quality and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for use in various international markets. Additional specifications include a right-hand thread direction, 3/32" length, and use within the inch system of measurement.