Square-column vetical drilling machine is a universal general -purpose machine. It is used for counter-sinking, spot-facing drilling, tapping, boring, reaming, etc. The machine has catch the function of tap-automaticlly reversing device which is sulfablefor tapping of blind and dwtermined holes. The machine has high effiency, high accuracy, low noise, wide range of veriable speed, centralized controls goodlooking appearance, easy maintenance and operation.

