... thick100mm 4.ISO9001:2008 CNC Steel Drilling MachineApplicable Industry:CNC Drilling Machines For Plates is used for drilling connection boards and ... . CNC slider and drilling unit head, can control depth of holes, with function of drilling blind hole, reaming, chamfer angle. 2 ... of work pieces, and downloading work pieces when drilling simultaneously. 4. CNC, PLC systems, CRT display. 5. Programming ...