12 Pcs Chamfer Drill Bit Set Adjustable Taper Drill Bits Woodworking Drill Bits for Drilling 4 6 8 10 12 Double Edge Cut with Storage Case and Hex Wrench

Unique Two Flute Design - With a double-edged cutting design, these taper drill bits eliminate chattering and ensure smooth and precise finishes. Compared to single blade bits, they offer faster cutting, ideal for larger or deeper cutters. 12 Piece Chamfer Drill Bit Set: This tapered drill bit set includes 5 taper drill bits (#4, #6, #8, #10, #12), 5 replaceable drill bits, 1 magnetic extension bit holder, 1 Allen key, 1 storage case. Made of titanium coated high-speed steel, the taper drill bits are perfect for use on softwood and hardwood. Improved chamfered blade with stepped design minimizes cutting resistance and maximizes durability. Designed with sharp blades and a 90 degree milling angle, these bits provide quick and clean pilot holes for a perfect fit. All in one drilling, milling and counterboring maximize efficiency. Equipped with 1/4" hex shank, these taper drill bits are compatible with a wide range of tools, including impact drills, including hand drills, bench drills, and electric drills. Adjustable depth settings adapt to different wood thicknesses, although prolonged use on hardwood is not recommended.