Hilka Metal 1/4-inch Hex shaft 12, 16, 19 mm Countersink Power Drill Bit

Suitable for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings. Size:12mm 16mm 19mm , Shank diameter: 6.35mm (1/4 inch hex shank), Angle:90 degree. Ideal for wooden planks, fiberboard, particle board, plywood, plastic, alumiumn board, etc. High Quality Material Made of high-carbon steel with heat treatment for longer service life. High hardness and durability