Concrete Core Drilling Machine for Sale 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：GD360-LS large power trenchless machine horizontal directional drilling machine Next：Goodeng 32T HDD RIG with High digging power
