Our Milwaukee’s High-Speed Dies have the ability to thread Stainless Steel Pipe. Compatible Machine Type 2874-20 M18 FUEL™ Pipe Threader w/ ONE-KEY™; 2870-22 M18 FUEL™ Compact Pipe Threader w/ ONE-KEY™ Kit; Milwaukee NPT Portable Pipe Threading Forged Aluminum Die Heads; Milwaukee Compact ALLOY NPT Portable Pipe Threading Forged Aluminum Die Heads.