Deep Hole Gundrill Cutting Tool

The gun drilling is a method of outside chip removal, the cutting oil will enter the cutting tool inner and cutting area from the end of spindle's joint, and the cutting oil will bring chip out through the cutting tool v type slot and workpiece inner hole. The cutting tool guide is by means of guide sleeve before entering the workpiece, and it will depend on self guide function to finish the drilling processing after entering the workpiece.