Automatic Drilling and Tapping Machine Tool With TurntableOperating Instructions: Put the workpiece in the clamp, then press the start button, the clamp to clamp the workpiece, the cooling water spraying. First, to drill 2 holes, then turntable rotating; second, to tap 2 holes that were drilled, and to drill another 2 holes, then turntable rotating again; third, to tap 2 holes that were drilled in second, then turntable return back and the clamp loosen the workpiece. Purros Machinery Co.,Ltd. can customize all kinds of automated modular machine tools according to customer's products.