The rock drill is a kind of light rock drill machinery. It can perform both dry and wet drilling under medium hard or hard rock(f=8-18).(the diameter of blast hole is 34mm-40mm, the depth of hole is 3m) This machine can drill downward with hand toward horizontal or acclive,when it is matched with air-leg model FT100, it is suitable for drilling works in various mines,quarries,capital construction of farmland, blasting for constructing roads in mountain areas and other projects. This machine has transparent surface of FY200B lubricator to guarantee good lubrication,but also can be matched with model FT100 air leg.