6 pieces titanium plated M3-M10 metric high speed steel drill and tap bits 1/4 hexagonal shank Description. 1. Threaded drill bits increase operational efficiency by drilling and tapping in one operation. 2. These HSS drills and tapping bits are excellent tools for creating threads, cutting or forming paired female parts. 3. They are used on machines to create threads, such as lathes. 4. Machines tapping with these taps are faster and often more accurate as human error is eliminated. Features. 1. These thread taps are made of high speed steel with a nitrided surface for high hardness and rust resistance. 2. There are 6 different sizes of taps from M3 to M10, which can be used for tapping a variety of threads. 3. The taps are designed with spiral grooves for better chip removal. 4. Taps with drilling function for drilling and cutting new threads at the same time, you will have a smooth tapping experience. 5. These taps are used for tapping on machines and are generally more accurate as human error is eliminated. Glasses. Material: HSS (titanium plated) Colour: as shown Shown Hexagonal shank: 6.35mm (1/4 ) Standard: Metric system Thread size: M3, M4, M5, M6, M8, M10 Pitch: 0 .5 mm, 0.7 mm, 0.8 mm, 1.0 mm, 1.25 mm, 1.5 mm For use with: Machines Function: Drilling Quantity: 6 Package includes 6 x tap