This is the particular Ak50, which is an expert water driven center drill intended for gaps with breadths up to 70 cm, the device is extremely powerful and is made with the best parts and materials to guarantee a basic utilization, toughness and to give the best exhibitions. To have an extensive variety of paces and boring limit on the instrument might be introduced five diverse size of water powered engines, the engines are orbital sort this implies zero upkeep and a durable utilization without issues. The water powered engines could be changed in few seconds simply losing two screws, engines are furnished with a wellbeing weight control valve that naturally slice off torsion energy to the apparatus and to the drill rig when the bit stalls, this is a decent security offer that aides in numerous circumstance and secure instrument on the off chance that it is joined with pressure driven circuits with high weights.