Features: Bit material: three-tip woodworking bit is carbon steel, the middle chamfer drill body is 45 steel, high hardness. Advantages: The chamfer is a five-blade, in the process of use, can more quickly discharge wood chips, a one-time drill out a smoothing and flat countersink hole, the screw cap perfectly embedded in the face of the workpiece. Wide range of application: suitable for drilling of low hardness wood, aluminum, iron, plastic and other materials. Easy to replace: can quickly replace the compound drill; It can also make your decorating more efficient. Quality service: Your satisfaction is our first priority. If you have any questions, please feel free to contact us Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material:Steel Size:As Picture Shown Package List: 4/7*Pcs Woodworking Chamfer Bits Tools