S-92311A789 5/8"-11 x 1/2" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Exceptional holding power ensured by Class 3A thread fit for secure, vibration-resistant fastening
• High durability and strength from Rockwell B80 hardness, providing reliable performance under heavy loads
• Easy installation and removal with 5/16" hex drive and right-hand coarse UNC threads
• Flush mounting capability due to headless design, perfect for applications requiring a smooth surface
• Enhanced grip and minimal surface damage with cup tip, distributing pressure evenly
• Compliance with industry standards including ASME B18.3, ensuring consistent quality and safety

Professional Applications & Engineering Value

This 5/8"-11 UNC hex headless set screw is engineered to address common industrial challenges such as component slippage and corrosion in demanding settings. Made from 18-8 Stainless Steel, it offers excellent resistance to rust and chemicals, making it suitable for machinery, automotive assemblies, and outdoor equipment. The Class 3A thread fit and coarse UNC thread spacing provide a tight, secure hold that resists loosening from vibrations, while the headless design and cup tip allow for discreet, flush installations that protect adjacent surfaces. Ideal for precision applications requiring high-strength fastening without protrusion, this screw delivers reliable performance in heavy-duty industrial environments.

Specification Summary & Compliance

This set screw features precise Class 3A thread fit with UNC coarse threads (5/8"-11), a thread diameter of 0.625", and a length of 1/2". It complies with ASME B18.3 specifications for dimensional accuracy and is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards in industrial use.