We are offering automatic magnetic drilling machine max core drilling 35 mm diamter. Motor output: 1080 Watt Voltage: 230 V AC, 50-60 Hz Stroke: 77 mm Magnet size: 90 x 180 x 48 mm Weight: 17 kg Direct arbor: Industrial arbor: Speed range 1: 360 min-1 Max core drilling capacity: 35 mm diamter