The Drifter is a heavy duty Rock Drills used for drifting and tunneling  and  for  benching  and production drilling, with 32 mm (1 1/4") and 38 mm (1 1/2") extension drill steel  equipment, respectively. The machines can be used in both underground and surface work mounted on Wagon Drill, with feature of reversible rotation, which can be also be disengaged, so that only the impact mechanism works.  Flushing is possible as air blowing or water flushing, and all drill functions are operated from a control unit.