S-92845A754 5/16"-24 x 1/2" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• Exceptional thread precision with Class 3A fit for secure, vibration-resistant fastening in critical assemblies.
• Enhanced torque transmission via the 5/32" hex drive, allowing for easy installation and removal with standard tools.
• Optimized tip engagement from the extended tip design, providing superior holding power and preventing component slippage.
• High mechanical strength with a Rockwell B80 hardness, offering excellent durability and resistance to wear.
• Reliable fine thread performance with 5/16"-24 UNF threads for precise adjustments and increased load distribution.
• Compliance with major industry standards including ASME B18.3, ensuring consistent quality and interchangeability.

Professional Applications & Engineering Value

This 5/16"-24 UNF Class 3A set screw is engineered to address common industrial challenges such as component misalignment and loosening under dynamic loads. Made from 18-8 Stainless Steel, it provides excellent corrosion resistance, making it ideal for applications in machinery, automotive, and electronics where exposure to moisture or chemicals is a concern. The extended tip and fine thread spacing ensure maximum grip and minimal backlash, crucial for precision assemblies like shaft collars, gears, and pulleys. Its headless design with a hex drive allows for flush mounting in confined spaces, while the Rockwell B80 hardness guarantees long-term performance without deformation. By meeting ASME B18.3 standards, this screw delivers reliable, repeatable fastening solutions for engineers and maintenance professionals.

Specification Summary & Compliance

This set screw features a 5/16"-24 UNF thread with a Class 3A thread fit, ensuring tight tolerances for high-precision applications. The extended tip has a diameter of 0.203" with tolerances of -0.008" to 0", and a length of 0.082" with tolerances of -0.005" to 0". It complies with ASME B18.3 for dimensional accuracy and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations for industrial use.