Drill America 6 Piece Metric Combined Drill Tap and Countersink Set with 1/4" Quick Change Hex Shank

6 Piece Set Includes Sizes: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25 and M10 x 1.5 Drills, taps and countersinks in a single pass, eliminating the need to switch between tools and saving valuable time Countersink ensures screws sit flush with the surface, preventing material swelling and enhancing the appearance and durability of the finished workpiece High speed steel for use in a wide range of materials such as aluminum, brass, copper and other metals Excellent wear resistance and long-lasting performance, even in demanding applications