S-92311A747 1/2"-20 x 1 3/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh environments
• Precise Class 3A thread fit delivers secure fastening with minimal backlash for vibration-resistant assemblies
• Hex drive design provides maximum torque transmission and prevents tool slippage during installation
• Cup point tip creates deep indentation for permanent positioning and superior resistance to axial movement
• Rockwell B80 hardness maintains structural integrity under heavy loads and repeated adjustments
• Headless configuration enables flush mounting in space-constrained applications
• Fine UNF threads offer enhanced clamping force distribution and improved tension control

Professional Applications & Engineering Value

This 18-8 stainless steel set screw addresses critical industrial challenges where vibration resistance and corrosion protection are paramount. The Class 3A UNF fine threads provide exceptional dimensional accuracy for precision machinery, automotive components, and permanent shaft collars. The cup point design bites securely into mating surfaces, preventing rotational slippage in high-torque applications. Manufactured to ASME B18.3 specifications, these headless hex drive set screws deliver reliable performance in demanding environments while maintaining RoHS 3 and REACH compliance for global manufacturing standards.

Specification Summary & Compliance

This 1/2"-20 UNF set screw features Class 3A thread tolerance for precision fit, manufactured in accordance with ASME B18.3 standards. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. With right-hand fine threads and 1 3/4" length, this fastener meets industrial requirements for dimensional accuracy and material consistency.