STILER PTN30 ELECTRIC PIPE PUNCHING MACHINE The STILER electric pipe punching machine is ideal for precise reaming of pipes for penetration joints and for drilling mounting holes. Solid vise and accurately mounted spindle eliminate any vibration and deviation. Possibility to install holesaws with 1/2" and 5/8" thread. Technical data: Power supply: 230V / 50 Hz Spindle speed: 186 rpm Supported holesaws: 15-76 mm Angle adjustment: 90° Package dimensions: 900 x 630 x 450 mm Weight: 63 kg .