01. Instruction
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 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.

Specification
Weight ≈ 24kg
Length: 678mm
Cylinder dia: 70mm
Piston stroke: 70mm
Air pressure: 0.4-0.63Mpa
Impact frequency: ≥ 31Hz
Air consumption: ≤ 66.7 L/S
Air pipe (inner dia): 19mm
Water pipe (inner dia): 13mm
Bore dia: 34-42mm
Shank dimension(hex*length): 22*108mm.