S-95235A545 5/16"-18 x 3/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior vibration resistance through the nylon patch thread locker, maintaining secure fastening in high-stress applications up to 250°F.
• Exceptional thread engagement and precision with a Class 3A external thread fit, ensuring reliable, tight connections and reducing the risk of loosening.
• High durability and wear resistance due to alloy steel construction and Rockwell C45 hardness, suitable for demanding industrial environments.
• Easy and secure installation with a hex 5/32" drive and headless design, allowing for flush mounting and access in confined spaces.
• Optimized for quick assembly with coarse UNC threads and an extended tip, providing faster seating and improved alignment.
• Broad compatibility and reliability in various machinery and equipment, thanks to the standardized 5/16"-18 UNC thread size and right-hand thread direction.
• Compliance with stringent industry standards, including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This alloy steel set screw is engineered to address common industrial challenges such as component slippage and vibration-induced loosening in machinery. The nylon patch locking feature provides consistent resistance against dynamic loads, making it ideal for power transmission systems, motor shafts, and precision equipment where secure positioning is critical. Its headless design and extended tip facilitate seamless integration into collars and hubs, enhancing alignment without protruding parts. With a coarse UNC thread and Class 3A fit, it ensures rapid installation and high clamping force, reducing maintenance downtime in automotive, aerospace, and manufacturing applications. The robust material and precise thread form deliver long-term reliability, supporting efficient operations in demanding environments.

Specification Summary & Compliance

This set screw adheres to precise dimensional standards, including a Class 3A external thread fit and UNC thread type with a size of 5/16"-18. It meets ASME B18.3 specifications for consistency and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it ensures environmental safety and regulatory alignment for global industrial use.