6Pcs M3-M10 Hex Chuck Titanium Plated HSS Thread Metric Hook Drill Bits Screwdriver Compound Touch Hand ToolsFeature:1. High hardness, rust resistance, durable.2. The advantages are opening, threading and chamfering.3. Centering itself, no need for auxiliary center drilling or center punching.4. It is suitable for drilling, tapping and cutting on soft metal, aluminum plate, iron, etc.5. One key drilling and tapping can greatly save processing steps and time costs, and improve work efficiency. Specification: Size: Tap diameter M3*0.5, M4*0.7, M5*0.8, M61.0, M8*1.25 and M10*1.5 Material: HSS Size: 58*10mm/2.28*0.39'' Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thank you for your understanding.6 X Drill Tap