... drilling of various seamless steel tubing, galvanized pipes, plastic-lining pipes etc, to facilitate the mounting of pipes(espcieally with the Mechanical Tee, ... Cross, U-Bolted Mechanical Tee). Best for tapping operation on pipes in mechanical and fire-Fighting sectors. Model No.: TWk- ... IIIA Capacity: 5/8" ~ 41/2" (16~114) pipes Powder: Three-phase motor, Voltage: 110-415V, Powder capacity: 550W ...