1.Inner diameter of drilling 2.5-30mm 2.Maximum depth 1000mm 3 ... performance,fast feed rate,and high positioning accuracy.Specification:CNC Depth Drilling Machine DH-1000 Model DH-1000Inner diameter of drilling2. ... builds modern production lines:CNC Milling Machine production line,Vertical Machine Center production line,Gantry Type Machine Center production line,Milling Machine production line,Surface ...