Greenlee Dtapkitm Drill/Tap/Countersink Set, Metric, 6 Pc, M3 - M10 Product Description Drill/Tap/Countersink Set, Cutting Direction Right Hand, Metric, Number of Pieces 6, High Speed Steel, Uncoated Finish, Shank Type 1/4 In. Quick Change Hex, Sizes Included M3 x 0.50, M4 x 0.70, M5 x 0.80, M6 x 1.0, M8 x 1.25 and M10 x 1.50, Includes Plastic Case and Quick Change Adapter From the Manufacturer Complete hole drilling, tapping and deburring/countersinking in one operation with power drill saves labor and time. Back tapered beyond tap to prevent thread damage from over-drilling. Deburr/countersink also provided on bit beyond back taper. Made from hardened high-speed steel vs. carbon steel for longer life. High quality hex shank to ensure strong connection to drill chuck. Designed to tap up to 10-gauge metal. Quick change adaptor and case included. Manufacturer: Greenlee Country of manufacture: China Power Cutting Sawing