S-92313A580 5/16"-18 x 5/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications
• Exceptional holding power with Class 3A thread fit, ensuring tight, reliable fastening in high-vibration settings
• Easy installation and removal with 5/32" hex drive, providing secure tool engagement without stripping
• Enhanced durability from Rockwell B80 hardness, resisting wear and deformation under load
• Optimized for coarse threading with UNC threads, allowing quick assembly and reduced cross-threading risks
• Secure component positioning thanks to the cup tip design, minimizing slippage on shafts or surfaces
• Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability

Professional Applications & Engineering Value

This 316 stainless steel set screw is engineered to address common industrial challenges like corrosion-induced failure and loosening under dynamic loads. Its headless design and UNC coarse threads enable flush mounting in tight spaces while providing rapid installation in machinery, automotive, and marine equipment. The Class 3A thread fit guarantees precise tolerances, reducing the risk of backlash in assemblies subject to vibration. Combined with a cup tip for firm gripping, it ensures components stay securely aligned, enhancing the longevity of rotating parts, shafts, and collars. Ideal for applications demanding corrosion resistance and reliable torque performance, this screw meets rigorous engineering specifications for maintenance-heavy environments.

Specification Summary & Compliance

This set screw adheres to ASME B18.3 standards, with precise UNC 5/16"-18 coarse threads and a Class 3A thread fit for high-accuracy assembly. Dimensions include a 5/8" length and 0.313" thread diameter, ensuring compatibility with standard components. It is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmentally conscious manufacturing practices without compromising on performance or safety.