S-92311A365 3/8"-16 x 1 1/8" 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 environments
• Maximum holding power ensured by Class 3A thread fit for precise, secure fastening in demanding applications
• High durability with Rockwell B80 hardness providing excellent resistance to wear and deformation
• Easy installation and removal using the 3/16" hex drive, allowing for efficient maintenance and adjustments
• Reliable grip from the cup tip design that minimizes component slippage and damage during tightening
• Industry-standard compatibility with UNC coarse threads for quick assembly and broad interchangeability
• Compliance with safety regulations including RoHS and REACH, ensuring environmentally responsible and safe usage

Professional Applications & Engineering Value

This 3/8"-16 UNC hex headless set screw is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosion in machinery. Made from 18-8 stainless steel, it offers exceptional resistance to rust and chemicals, making it ideal for applications in automotive, aerospace, and manufacturing equipment where exposure to moisture or harsh chemicals is common. The Class 3A thread fit and coarse UNC thread provide a tight, reliable hold that prevents back-off under dynamic loads, while the cup tip ensures minimal marring on shafts or components. Its headless design allows for flush mounting in confined spaces, enhancing safety and aesthetics in assemblies like couplings, pulleys, and gears. By meeting ASME B18.3 standards, this set screw delivers consistent quality and performance, reducing downtime and maintenance costs in heavy-duty industrial applications.

Specification Summary & Compliance

This set screw features precise Class 3A thread fit with UNC coarse threads (3/8"-16 size) and a right-hand thread direction, ensuring high dimensional accuracy per industry norms. It complies with ASME B18.3 specifications for set screws and is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations for hazardous substance restrictions.