This Series pneumatic rock drill apply in hard rock on the rock drill operation,it has strong adaptability to the working conditions.The product is energy efficiency, Its components has long life and durable.The machice can be generally used with the same type,it can greatly reduce the customer loss for spare part replacement. Feature： Y20 is powered by compressed air, with simple structure, high reliability, strong adaptability and low cost. The machine is an ideal tool for secondary crushing operation in stonework engineering or large mines. Application: tunneling and support in mining, transportation, water conservancy, hydropower and other projects. It is mainly used for quarries - dividing rocks.

HAND HELD ROCK DRILL SPECIFICATION
TYPE	Y20	Y24	Y26	Y28
WEIGHT(KG)	18	23	26	25
SHANK SIZE(MM)	22*108	22*108	22*108	22*108
CYLINDER DIA(MM)	65	70	75	80
PISTON STROKE(MM)	60	70	70	60
WORKING PRESSURE(MPA)	0.4	0.4-0.63	0.4-0.63	0.4-0.5
IMPACT FREQUENCY(HZ)	28	28	28	28
AIR CONSUMPTION	25	55	47	75
AIR PIPE INNER DIA(MM)	19	19	19	19
ROCK DRILL HOLE DIA(MM)	30-42	30-42	30-42	30-42
ROCK DRILL HOLE DEPTH(M)	3	6	5	6