High Hardness and Rust Resistance: These hex shank taps are made of high-speed steel and have a nitrided surface for high hardness and rust resistance. Designed with Spiral Grooves: Taps with drill function, used for drilling a hole and cutting new threads simultaneously, providing you with a smooth tapping experience, suitable for drilling, tapping, and deburring/counter-boring on soft metal, aluminum plate, iron, etc. More Accurate and Efficient: Self-centering point, does not require auxiliary centering or centering, more accurate, eliminates human error, significantly saves processing steps and time costs, improves work efficiency. Durable: The back taper of the tap to prevent excessive puncturing caused by damaged threads. Your Illes: M10 x 1.5: Total length: 59 mm, Spiral length: 20 mm, hole diameter: 8.5 mm, Handle: 6.35 mm Full Specifications A selection of specifications to choose from, convenient for work Tapping and Drilling Together Drilling and tapping are solved in one step, saving time and effort, all in one HSS Material Greatly improves wear resistance and cutting performance Spiral Groove Design Cuts quickly and improves work efficiency Standard 1/4 Hex Shank Hexagonal shank design, stable clamping and quick replacement