Pipe Threading Dies Compatible Pipe Size 1 in to 2 in Compatible Material Type Alloy Conduit Galvanized Steel Iron Stainless Steel Steel Thread Type NPT Compatible Thread Direction Right Hand Die Material High Speed Steel Die Head Compatibility Rothenberger R Series Compatible Threader Series Ropower 50R Application Pipe Number of Dies 4 Threads Per Inch 11 1/2 Compatible Threader Type Threading Machine