S-92311A388 9/16"-12 x 1/2" 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 industrial environments
• Exceptional holding power with Class 3A thread fit ensuring tight, secure fastening in precision applications
• High durability backed by Rockwell B80 hardness for reliable performance under heavy-duty conditions
• Easy installation and removal with 9/32" hex drive design providing maximum torque transmission
• Secure component positioning with cup tip design that creates positive engagement with mating surfaces
• Reliable coarse threading with UNC 9/16"-12 specification for quick assembly and strong holding capability
• Industry compliance assurance meeting ASME B18.3 standards for guaranteed quality and performance

Professional Applications & Engineering Value

This 9/16"-12 UNC set screw delivers exceptional engineering value in demanding industrial applications where precision and reliability are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance, making it ideal for machinery, equipment manufacturing, and assembly lines exposed to moisture or chemicals. The Class 3A thread fit ensures precise engagement with mating components, eliminating play and vibration issues in rotating assemblies. The headless design with hex drive allows for flush mounting in confined spaces while maintaining high torque capability. The cup tip configuration creates positive locking action on shafts, collars, and pulleys, preventing slippage in high-torque applications. These industrial set screws are engineered to solve common fastening challenges in power transmission systems, precision instruments, and heavy machinery where secure component positioning is critical.

Specification Summary & Compliance

This precision fastener features 9/16"-12 UNC coarse threading with Class 3A thread fit for tight tolerances and reliable performance. Manufactured in compliance with ASME B18.3 specifications, the set screw maintains dimensional accuracy and mechanical properties required for industrial applications. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental regulations for hazardous substances. With right-hand thread direction and 1/2" length, this set screw delivers consistent performance while adhering to strict quality standards for industrial fastening solutions.