... ,No-load speed: 800rmp Electric Hammer Drill Rotary Hammer Power Tools SpecificationsItem NO J1Z-DD-30Rated power1280WNo load speed 800RPMDrilling capacity ... ,65,0810),Marbler cutters{110(ordinary)Hitachi110,new Hitachi110, makita4107},Cut-off machine(Hilti355),Angle grinders(6-100,MAKITA9523,DW100,LG ...