S-92313A416 5/16"-24 x 5/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh environments thanks to premium 316 stainless steel construction
• Superior holding power and vibration resistance ensured by the high-strength Rockwell B80 hardness rating
• Precise and secure fastening with a Class 3A thread fit for minimal play and reliable performance in critical assemblies
• Easy installation and high torque application facilitated by the internal 5/32" hex drive in a headless design
• Effective grip on shaft surfaces provided by the cup point tip, preventing component slippage
• Guaranteed dimensional consistency and interchangeability through compliance with the ASME B18.3 standard
• Safe for use in regulated industries with full compliance to RoHS 3 and REACH environmental directives

Professional Applications & Engineering Value

This 316 stainless steel set screw is engineered to solve critical challenges in demanding industrial settings. Its superior corrosion resistance makes it ideal for applications exposed to chemicals, moisture, and marine atmospheres, preventing fastener failure and maintenance downtime. The UNF fine thread and Class 3A fit provide exceptional precision for machinery, automotive, and aerospace components where vibration loosening is a concern. The combination of a headless design with a hex drive allows for flush mounting in confined spaces while enabling high torque installation. This set screw delivers reliable, long-term performance in pulleys, gears, and collars, ensuring operational integrity.

Specification Summary & Compliance

This set screw features a 5/16"-24 UNF fine thread with a precision Class 3A thread fit. The overall length is 5/8" with a thread diameter of 0.313". It is manufactured in accordance with the ASME B18.3 specification and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.