The machine is a new light-duty rock drill to exploiting and constructing in stone industry and architecture industry. It has low air consumption, low noise, high speed, effiency, easier operation, good economic effect. This machine can drill 20-24mm hole in every rock and architecture. It is easier to use especially for secondard dynamite task in the marble and granite. Specification Weight: 6kg-7kg Length: 428mm Air pressure: 0.4-0.63Mpa Air pipe inner dia: 13mm Drill dia: 20-30mm Air consumption: <9.0L/s at 0.4Mpa Impact frequency: >51Hz at 0.4Mpa Drill dia: 20-24mm Shank dimensions: B15-2.8-4 or YZT2017-208
