S-92313A578 5/16"-18 x 1/2" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
• Exceptional holding power ensured by Class 3A thread fit, providing tighter tolerances and reduced risk of loosening under vibration.
• Easy installation and removal with a 5/32" hex drive, allowing for high torque application without stripping.
• Enhanced grip and minimal surface damage from the cup tip design, perfect for securing components on shafts and hubs.
• Reliable performance in demanding applications due to Rockwell B80 hardness, offering a balance of strength and durability.
• Wide compatibility with 5/16"-18 UNC coarse threads, facilitating quick assembly and disassembly in various industrial settings.
• Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This 5/16"-18 UNC set screw is engineered to address critical challenges in industrial assembly, such as component slippage and corrosion-induced failure. Crafted from 316 Stainless Steel, it excels in corrosive environments like marine, chemical processing, and outdoor machinery, where moisture and chemicals are prevalent. The Class 3A thread fit and coarse thread spacing deliver superior clamping force, resisting loosening from vibrations in motors, pulleys, and rotating equipment. The hex headless design with a 5/32" drive enables flush mounting and high-torque installation, while the cup tip concentrates pressure for secure fastening without damaging shafts. Ideal for precision industrial set screws applications, it ensures long-term reliability and reduces maintenance downtime.

Specification Summary & Compliance

This set screw adheres to precise dimensional standards, including a Class 3A thread fit for high accuracy and UNC coarse threads with a 5/16"-18 size. It meets ASME B18.3 specifications for consistency and performance, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial uses.