BDM Series widely used in the fields of construction, bridge, tower mast, and space truss, mainly for the drilling of H-beam, U-beam and Box-beam. Adopt four servo-control CNC axes and three stepless transducer controlled rotation speed of spindle. All the holes on its 3 sides can be completed After the H-beam getting though the machine once, with high efficiency and high position precision. It is the necessary equipment for guarantying the quantity in the steel structure.

