S-92311A718 1/2"-13 x 1 3/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Exceptional holding power ensured by Class 3A thread fit for secure, vibration-resistant fastening in demanding applications
• Easy installation and removal with 1/4" hex drive design, providing reliable torque transfer without stripping
• Enhanced surface grip from the cup tip, minimizing component slippage and improving assembly stability
• Consistent mechanical strength with Rockwell B80 hardness, offering durability under high-stress conditions
• Broad industrial compatibility due to UNC coarse threads, enabling quick assembly and disassembly
• Regulatory peace of mind with compliance to RoHS 3 and REACH, meeting global environmental and safety standards

Professional Applications & Engineering Value

This 1/2"-13 UNC Class 3A stainless steel set screw is engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. The 18-8 stainless steel material provides excellent resistance to rust and chemicals, making it ideal for applications in machinery, automotive, and outdoor equipment where exposure to moisture or corrosive agents is a concern. The headless design with hex drive allows for flush mounting in tight spaces, while the coarse thread ensures rapid installation and reliable clamping force. By combining high hardness (Rockwell B80) and precise Class 3A thread fit, this set screw delivers consistent performance in heavy-duty assemblies, reducing maintenance downtime and enhancing operational reliability in sectors like manufacturing, construction, and aerospace.

Specification Summary & Compliance

This set screw adheres to ASME B18.3 specifications, ensuring dimensional accuracy and interchangeability. The UNC coarse threads with Class 3A fit provide tight tolerances for secure fastening. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial markets without hazardous substances.