... capacity: 30mm 3,No-load speed: 800rmp Electric Hammer Drill Rotary Hammer Power Tools SpecificationsItem NO J1Z-DD-30Rated power1280WNo load speed ... and QA teams.We own 80 lathes, 16 grinders, 12 gear hobbing machines, 5 sets of heat treatment equipment and ... ,26mm(ordinary),26mm(new style), double functions26mm,Super power26mm},Electric reaker(40,65,0810),Marbler cutters{110(ordinary)Hitachi110,new ...