①The loss of impact energy does not increase with the lengthening of the drill rod, and it can drill deep holes with large hole diameters;
②The noise of the working face is greatly reduced;
③The drilling speed is fast, the degree of mechanization is high, and the auxiliary operation time is less, which improves the operation rate of the drilling rig;
④ Mobility and flexibility;
⑤High drilling quality;
⑥ It can drill medium-hard or above (f≥8tdaf002) rock.
