Internal combustion rock drill

chinacoal07 Internal combustion rock drillZM-27Cnternal combustion rock drill, ZM-27Crock drill ,Internal combustion rock drillSpecificationsInternal combustion rock drillDisplacement of engine piston:185 cm3Load Rotating speed of engineaa:2450 r/minInternal combustion rock drillDiesel Rock Drill Internal Combustion Rock Drill The Internal Combustion Rock Drill Type ZM 27C has functions of drill hole, cleavage, bruising, tamping and chiseling. It is widely used in mine, road