Main Function A. There is a window on the machine bed for pump pressure, which is easy and convenient to look and adapt water pressure. B. Servo control system is adopted and improved, which make drilling re-track speed 2 times quicker than dB703 C. There is slider water tank, which saves space and is more environmental. D. There is oil-tank for lubrication, which is more convenient to operate and fluid to lubricate. E. Able to drill various conductive metals, such as stainless steel, chilly steel, solid carbide, copper, aluminum etc.

