The RRSHS Die 1 5/8-18 X 3 OD from Field Tool Supply is a high-quality threading tool designed for creating precise internal threads. This die is made from high-speed steel (HSS), providing exceptional durability and cutting performance. With a diameter of 1 5/8 inches and a thread pitch of 18, it is perfect for various industrial applications. The 3-inch outer diameter allows for easy handling and compatibility with standard die holders. This die meets ANSI standards, ensuring reliable performance and longevity in demanding environments.