1.)Working Range:1.) Hole Diameter: 4-20mm,2.) Max. Drilling Depth: 800mm, 3.)Max. loading weight:500kgs, 4.) 3 axis servo motor with C3 grade ball screw driving syste. 5.) controller at absolute system. 6.) Oil pressure cutting lubrication system 7.) Auto. lubrication system. 8.)Coolant system. 9.) doubled chip out and paper filtering system. 10.) Optioned machine installation, drill training education, software drilling improvement and after-sale service.