Ridgid 29858 Model 1224 220/240V Threading Machine Threads 1/4"-2" pipe at 36 RPM and 2-1/2"-4" at 12 RPMwith an induction motor insures sound levels well within the limits set by the regulating authorities. A special capacitor-start/ capacitor-run motor allows the 1224 to thread a full range of material where voltage drop is experienced. The 1224 threads a wide range of pipe including blackgalvanized and plastic-coated pipetogether with stainless steelIMC and heavy-wall conduitas well as rod up to 30 Rockwell C. 1/4"-2" Universal Die Head; 2 1/2"-4" receding die head allows cutting of tapered or straight NPT/NPSM or BSPT/BSPP threads. Constant and proper lubrication of dies and workpiece with through-head oiling.