Material: High Speed Steel (Titanium Plated) Hex Shank: 6.35mm (1/4") Standard: Metric Thread Size: M3, M4, M5, M6, M8, M10 Pitch: 0.5mm, 0.7mm, 0.8mm, 1.0mm, 1.25mm, 1.5mm Used for: Machinery Function: Drilling Quantity: 6 Material: High Speed Steel (Titanium Plated), made of high speed steel (HSS), with high hardness, anti-rust and long service life. Function: These are taps with drilling function for drilling and cutting new threads while providing you with a smooth tapping experience. 6 Dimensions: M3x0.5M4x0.7M5x0.8M6x1M8x1.25M10x1.5. There are 6 different sizes of taps from M3 to M10 for tapping different threads. Convenience: Complete drilling, tapping, deburring and countersinking in one go, saving processing steps and time costs and improving work efficiency. Application: The tap is designed with a spiral groove and the chip removal effect is better. These taps are used for tapping machine tools and are generally more accurate because human error is eliminated. lucky meet