Max. Drilling diameter (on 45 steel) 63mm Max. Drilling diameter (on HT200 cast iron) 72mm Max. Tapping diameter (on 45 steel) M46 Max. Tapping diameter(on HT200 cast iron) M52 Max. Distance from spindle to generating line of column 350-1600mm Distance of horizontal movement for spindle box(manual) 1250mm Max. Distance between spindle end to the worktable surface of the base 350-1250mm Max. Travel of the spindle 315mm Spindle taper bore MT.5 Spindle speed step: stepless Spindle speed range 38-275 275-2000r/min Spindle feed steps 8 Spindle feed range 0.06~1mm/r Speed of rocker arm up and down movement 1.2m/min Rotation angle of rocker arm ±180° Distance of spindle movement for calibrated dial each revolution 122mm Power of main motor (tranducer motor) 4kw Power of motor for rocker arm up and down movement 1.1kw Power of oil pump motor for spindle box, column and rocker arm clamping 0.75kw Weight of machine(without worktable) 3800kg Machine dimension 2490*1000*2598mm