1.YN27,the handheld type internal combustion rock drill, is a kind of by the small gasoline engine, compressor, rock drill.

2.Homework, the compressed air ,produced by itself,blows the rock powder

3.the weight of host machine is only27kg,easy to take,suitable for mountain areas, no power, no air pressure equipment,Liquidity larger temporary engineering.
1.The drill is suitable for rock drilling hole, broken,Widely used in national defense engineering, mining, road construction, urban construction, quarrying and other conditions.

2.Applicability widely,Mountains, plains,±40°C area,all can wrok.