General description Combination taps with 6 screws in sizes M3 to M10 are designed for drilling, tapping, cutting, deburring, and countersinking in various materials including wood, plastic, thin aluminum (5-6mm), and iron. These tools allow for efficient one-step processing, significantly saving time and improving work efficiency. Technical specifications Material: High-speed steel Hex shank: 6.35 mm (1/4") Metric thread sizes: M3, M4, M5, M6, M8, M10 Distance between threads: 0.5 mm, 0.7 mm, 0.8 mm, 1.0 mm, 1.25 mm, 1.5 mm Quantity: 6 taps Usage Suitable for drilling and tapping in one step Self-centering point eliminates the need for assisted center drilling or center punching Recommended to inject water while drilling to cool the drill bit For best results, avoid high drilling speeds if cooling is not possible Ideal for use on threading machines, such as lathes Other information Spiral cone design prevents thread damage from over-drilling Surface treated by nitriding for enhanced