S-92845A769 1/2"-13 x 3/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-term reliability in harsh environments
• Maximum holding power achieved through Class 3A thread fit precision and extended tip design for enhanced grip
• Exceptional durability with Rockwell B80 hardness rating to withstand high-stress applications
• Easy installation and removal with 1/4" hex drive design requiring minimal clearance space
• Reliable performance ensured by compliance with ASME B18.3 manufacturing standards
• Environmental compliance meeting RoHS 3 and REACH regulations for safe industrial use
• Optimized for heavy-duty applications with coarse UNC threads providing superior resistance to vibration loosening

Professional Applications & Engineering Value

This 1/2"-13 UNC hex drive set screw delivers exceptional engineering value in demanding industrial applications where vibration resistance and permanent positioning are critical. The 18-8 stainless steel construction provides excellent corrosion resistance, making it ideal for machinery exposed to moisture, chemicals, or outdoor elements. The extended tip design creates deeper penetration and superior gripping action on shafts, collars, and pulleys, preventing slippage under high torque conditions. With Class 3A thread fit precision and coarse UNC threads, this headless fastener maintains secure positioning in high-vibration environments like automotive assemblies, industrial equipment, and power transmission systems. The hex drive configuration allows for easy installation in confined spaces while providing sufficient torque transmission for permanent fastening solutions.

Specification Summary & Compliance

This precision set screw features 1/2"-13 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and engagement. Manufacturing complies with ASME B18.3 standards, ensuring consistent quality and performance. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations for environmental safety. Critical dimensions include 3/4" length, 0.5" thread diameter, and extended tip specifications (0.13" length, 0.343" diameter) with precise tolerances for reliable performance in industrial applications.