300mm Diamond Core Drill Machine Ruian City Husong Printing Machinery Co., Ltd. Base Info Description Bit Drilling-Capacity607023046315Drill Pipe Diameter4250600-360Rotate Speed(r/min)ModelRotate Speed(r/min)2500Pressure(Mpa)20 Pre:Factory Borewell Machine Price Drilling Rig Next:Hydraulic Crawler Drilling Rig Deep Well Drill