... Drill,patented by the State Intellectual Property Office(No.ZL200530136401.1),with great power and hydraulic rotary unit, is designed to ... /min1,30-4202,60-7303,80-970TorquekN·m1,2.652,1.5393,1.159Inside diameter of chuckmmΦ94Feed strokemm3500Feed cylinder pull capacitykN130Feed ...