Description: 4 Cutters Wood Fast Cutting Auger Drill Bit 16-25mm Carpenter Joiner Tools. Specifications: Product Name:4 Cutters Wood Fast Cut Auger Drill Bit; Diameter Size:16mm / 18mm / 20mm / 22mm / 25mm （Optional）; Material:Steel; Color:Black+Gold+Silver; Features: - The Auger Drill Bit is mainly used for wood working: rosewood, board, shaving board, MDFBoard. - Bearing Steel manufacturing, hardness is good. - Standard chip design, easy to remove the side of wood chips, improve drilling efficiency. - Special Techonology production, durable and not easy to break. - Arc design, exquisitre sharpen durable. - Reduce labor tension of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.Reduce labor intensitys of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries. - The square chisel mortiser combines the cutting of a four-sided chisel with the action of a drill bit in the center, - The bit clears out most of the material to be removed, and ensures the edges are straight and clean. Package Included: 1 x Auger Drill Bit