designed for processing handles in three holes and the slots which for installing the hardware. the three-hole driller has the special twist drill which can drill the aluminium alloy profile and pvc profile with steel inlaid. the copy routing size is controlled by the standard template and the proportion is 1:1. adopt the high-speed copy-routing milling head. double-step copy routing design which suitable for the requirement in many kinds of size of copying. can processing different slots controlled by the pole .