... size, lower air consumption Atlas copco original, hand held rock drillsApplicationY19A is mainly used for drilling work in small quarries ... , coal mine, limestone mine, rock blast in road construction work, as well as water ... Model: Y19AWeight (kg): 19Length (mm): 600Shank size (mm): H22×108±1Drilling diameter (mm): 32-38Piston diameter (mm): 65Piston stroke (mm ...