S-92313A419 3/8"-16 x 1 1/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for long-lasting performance in harsh environments
• Precise thread engagement with Class 3A fit ensuring reliable, vibration-resistant fastening in critical applications
• Exceptional durability from Rockwell B80 hardness providing excellent wear resistance and mechanical strength
• Secure installation through hex drive design allowing high torque application without head protrusion
• Enhanced gripping power with cup tip design that concentrates pressure for superior component retention
• Industry-standard compatibility with UNC coarse threads ensuring easy installation and broad application use
• Regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for quality assurance and environmental safety

Professional Applications & Engineering Value

This 3/8"-16 UNC set screw delivers exceptional engineering value in demanding industrial applications where corrosion resistance and reliable fastening are critical. The 316 stainless steel construction provides superior protection against chemical exposure and atmospheric corrosion, making it ideal for marine environments, chemical processing equipment, and food machinery. The headless design with hex drive enables flush mounting in confined spaces while allowing high torque application during installation. The Class 3A thread fit ensures precise engagement with mating components, reducing the risk of loosening under vibration and dynamic loads. Combined with the cup tip that provides concentrated contact pressure, this set screw offers superior holding power for shafts, collars, and pulleys in mechanical power transmission systems, manufacturing equipment, and precision machinery assemblies.

Specification Summary & Compliance

This set screw features 3/8"-16 UNC coarse threads with Class 3A thread fit for precision engagement, manufactured to ASME B18.3 specifications. The inch-dimensioned fastener measures 1 1/4" in length with a 3/16" hex drive and right-hand thread direction. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while meeting international quality standards for reliable performance.