Y19a Rock Drill

We are offering y19a rock drill. Type y19a weight 19 (kg) length 600 (mm) impact energy 0.4mpa:≥28(j) 　 0.5mpa:≥40(j) impact frequency 0.4mpa:≥28(hz) 　 0.5mpa:≥35(hz) air consumption 0.4mpa:≤37(l/s) 　 0.5mpa:≤43(l/s) working water pressure 0.2~0.3(mpa) air pipe inner dia φ19(mm) water pipe inner dia φ13(mm) rock drill hole dia φ32~φ42(mm) rock drill hole depth 5(m) shank size 22×108(mm)