Hand-hold And Air-leg Rock Drill Y19a : The rock drill(y19a) is mainly used in small quarries, small coal mines and limestone mines for drilling, blasting for constructing roads in mountain areas, also in the capital construction for water conservancy works.

It is suitable for drilling works in large mines for boulder blasting and other projects as well. The flanged control value is adopted, so it has many advantage such as reasonable in structure, quick in starting, light in weight, fast drilling speed, lower air consumption, smaller vibration, easier operation, lower trouble rate, long-life part, good economic effect, etc.

It is also equipped with a rubber damping handle, so it is easy to operation and provide the operators with necessary working protection.

* Technical specification: weight : 19kg outside dimensions : 600*534*157mm cylinder dia : 65mm piston stroke : 54mm air pressure : 0.4 65374 0.5mpa air pipe inner dia : 19mm water pipe inner dia : 13mm shank dimension : 22*108mm when working pressure is: 0.4mpa 0.5mpa impact energy : 8805 28j 8805 40j impact frequency 8805 28hz 8805 35hz idle speed 8805 180r/min 8805 200r/min air consumption 8804 37l/s 8804 43l/s.