S-92311A363 5/16"-24 x 3" 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 reducing maintenance costs.
• Exceptional holding power provided by the Class 3A UNF fine thread fit, ensuring secure, vibration-resistant fastening in critical assemblies.
• High-strength durability with a Rockwell B80 hardness, offering reliable performance and resistance to wear in demanding applications.
• Secure, non-slip installation enabled by the 5/32" hex drive and headless design, allowing for flush mounting and easy access in confined spaces.
• Enhanced grip and minimal surface damage from the cup tip, which concentrates force for a firm hold on shafts and components.
• Broad industrial compatibility with a 3" length and right-hand thread, making it versatile for various machinery and equipment setups.
• Regulatory peace of mind through compliance with ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental standards are met.

Professional Applications & Engineering Value

This 18-8 stainless steel set screw is engineered to address common industrial challenges such as component slippage, corrosion-induced failure, and assembly inefficiencies. The UNF Class 3A fine threads deliver a precise, tight fit that resists loosening under vibration, making it ideal for precision machinery, automotive systems, and heavy-duty equipment. The cup tip design minimizes surface marring while providing superior gripping force on rotating parts like shafts and collars. Combined with the hex drive and headless style, it allows for easy installation in tight spaces, reducing assembly time and improving reliability in industrial set screw applications where durability and compliance are critical.

Specification Summary & Compliance

This set screw features a 5/16"-24 UNF fine thread with a Class 3A thread fit for high precision and strength. It adheres to ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.