<ul><li>These taps are made of high speed steel and the surface is finished by nitriding for high hardness and rust resistance</li><li>There are total 6 pieces of taps in different sizes of M3 to M10 which you can use to tap various threads</li><li>The taps are designed with spiral flutes and the chip cleaning process would be better</li><li>These are taps with drilling function, used to drill a hole and cut new threads at the same time, you will have a smooth tapping experience with them</li><li>These taps are used on a machine to do the tapping, usually more accurate because human error is eliminated</li></ul> <b>Specifications:</b> Material: High Speed ​​Steel (Coated with titanium) Color: as pictures show Hex Shank: 6.35mm (1/4") <b>Standard: Metric</b> Thread: M3, M4, M5, M6, M8, M10 Pitch: 0.5mm, 0.7mm, 0.8mm, 1.0mm, 1.25mm, 1.5mm Used on: Machine Function: drilling Quantity: 6 <b>Package includes:</b> 6 x faucets Note: The data is manual measurement, please allow 1-11cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.