General description The Einhell Premium KWB 10 Piece Brad Wood Drill Bit Set is a meticulously curated collection of wood twist drills, designed for exceptional performance and durability. This set includes drill bits in various diameters: 3 mm, 4 mm (2 pieces), 5 mm (2 pieces), 6 mm, 7 mm, and 8 mm (2 pieces). The two-spiral design ensures optimal chip removal, making drilling efficient and effective. Technical specifications Material: Roll-rolled tool steel C45 Length: 175 mm Drill bit diameters: 3 mm, 4 mm (2x), 5 mm (2x), 6 mm, 7 mm, 8 mm (2x) Shank type: E 6.3 Compatibility and accessories Designed for use with standard cordless screwdrivers and drills Includes a practical storage box with interchangeable inserts for organized storage Installation Simply insert the E 6.3 shank into the drill chuck of your cordless screwdriver or drill for use Usage Ideal for drilling in various types of wood Features a 3-point taper and center point for fast and precise tapping Efficient chip