... MACHINE/AIR HAMMER/WELL DRILLING/ MINING DRILLING MACHINEFit for wet drilling in medium-hard or hard rock.Grouped control mechanism ... ,quick to start up, with "air on ,water on, air off,water off" mechanism, ... ×10822×10822×108Air pressure(MPa)0.630.630.63Suitable air-legsFT140BFT140BDFT160BCFT160BDFT160BCFT160BDEeight(kg)15.613.916.914.416.914.4Length ...