The rock drill is a kind of high efficiency air leg rock drill machine. It is widely used for blasting holes and other drilling projects in a quarries, railway construction, water conservancy construction and defence project facility.

It is suitable for drill level or gradient holes in medium hard or hard rock(f=8-18). The drilling depth can be five-eight meters. It can be matched with the FT140BD short air-leg or FT140B long air-leg to use in the basis of the width of rock. Also it can be fixed on drilling-vehicle or drilling-shelf.
To ensure the well lubricating. This rock drill may match FY200B oil reservior.

Weight: 24 kg
Lengt: 678mm
Cylinder dia: 70mm
Piston stroke: 70mm
Air pressure: 0.4_0.63MPa
Impact frequencey: 31Hz
Air consumption: 66.7 L/S
Air pipe (inner dia): 19mm
Water pipe (inner dia): 13mm
Shank head dia: 34-42mm
Shank dimensions(hex*length): 22*108 mm+1mm

FT140B Air-leg:
Length of air-leg: 1687mm
Pushstroke: 1250mm
Cylinderdia: 60mm
Weight: 15.6kg
FT140BD Air-leg:
Length of air-leg: 1400mm
Push stroke: 965mm
Cylinderdia: 60mm
Weight: 13.9kg
FY200B Oil reservior
Capacity 200milliliter