... 2.thousand meters sereies of drilling machine 3.light weight, big capability XY-1000 spindle type of core drilling ... drilling. It has features ofreasonable arrangement, good quality, light weight, big capability,wide performance and good exchangability etc. Drilling depth ... (m)1000Spindle speeds (r/min) forward87; 160; 230; 270; 334; 500; 710; 1030 reverse72; 220Max. ...