The rock drill is used for rock drilling,blasting holes and other drilling works in quarries,small coal mines and other constructions.It is suitable for drilling of horizontal or inclined holes on the medium hard and hard rock.When it is matched with air leg Model FT100,it can blast holes from different directions and angles.Blast hole diameter is between 36mm and 42mm.with an efficient depth from 1.5m to 2m.It is recommended to be matched with Model py-1.2/0.39 air compressor which is powered by Model RS1100 diesel engine.Other suitable air compressors can also be matched with this rock drill.