S-92845A610 5/16"-18 x 3/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• Precise and secure fastening ensured by Class 3A thread fit, minimizing backlash and providing consistent clamping force.
• High torque application capability with a 5/32" hex drive and Rockwell B80 hardness, preventing stripping and deformation.
• Enhanced grip and positioning due to the extended tip design, improving component alignment and reducing slippage.
• Wide industrial compatibility with UNC coarse threads and right-hand direction, facilitating quick installation and removal.
• Regulatory compliance and safety meeting ASME B18.3 standards, RoHS 3, and REACH, ensuring environmental and health safety.
• Space-saving headless design allowing for flush mounting in tight assemblies without protruding components.

Professional Applications & Engineering Value

This 5/16"-18 UNC set screw is engineered to address critical challenges in industrial assemblies, such as vibration-induced loosening and misalignment. The 18-8 Stainless Steel material offers excellent resistance to corrosion and oxidation, making it suitable for applications in machinery, automotive, and outdoor equipment where durability is paramount. The Class 3A thread fit and coarse UNC thread provide tight tolerances and reliable performance under dynamic loads, while the extended tip ensures positive engagement with mating parts, reducing the risk of component shift. Its headless hex drive design allows for easy installation in confined spaces, enhancing efficiency in production lines and maintenance tasks. This screw is ideal for securing collars, gears, and pulleys, delivering consistent engineering value by minimizing downtime and improving assembly integrity.

Specification Summary & Compliance

This set screw features precise dimensions including a 5/16"-18 UNC thread size with Class 3A thread fit for high accuracy, and an extended tip with tolerances of -0.005" to 0" in length and -0.008" to 0" in diameter. It complies with ASME B18.3 manufacturing standards and is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations without hazardous substances.