Yt29 Rock Drill

We are offering yt29 rock drill. Weight 26.5 (kg) length 659 (mm) cylinder dia ï�82 (mm) piston stroke 60 (mm) working pressure 0.4~0.5 (mpa) impact energy â�¥70 (j) impact frequency â�¥37 (hz) air consumption â�¤65 (l/s) working water pressure 0.2~0.3 (mpa) air pipe inner dia ï�25 (mm) water pipe inner dia ï�13 (mm) rock drill hole dia ï�34~ï�45 (mm) rock drill hole depth 5 (m) shank size 22ã�108 (mm)