Jack-o drill for woodworking and reaming

About Product:As a log, drilling, drilling hole, is composed of the head, drill and drill shank, o cylindrical head, head heavy cutting blade, The main cutting edge and screw tip and the diameter of the cylindrical head slightly larger than the diameter of the drill body, Heavy cutting blade is located in the front end of the cylindrical head, the main cutting edge is located in the roots and drilling of vertical screw tip, Screw tip is located in the front end of the drill, its shape is a dextral cone, so that the utility model has reasonable structure design, smooth drilling fast, High efficiency and smooth after the drill hole wall and the advantages of chip removal unobstructed ted, welcome new and old customers purchase.