High-speed manual pipe cutting die delivers quick and precise threading. Pipe die features 11-1/2 TPI and 12R NPT for mechanical and low-pressure applications. 1-inch (25 mm) alloy cast die is ideal for use with the RIDGID line of manual pipe threading machines. Pipe die produces exacting right-hand directional threads on metal pipes that measure up to 1/2-inch (12 mm) NPS, creating clean 14 TPI.