11Pcs Tap Drill Bit Set Hex Shank Drill and Tap Sets M3-M10

Material: High hardness rustproof solid and durable Metric: M3x0.5 M4x0.7 M5x0.8 M6x1 M8x1.25 M10x1.5.:1/4 inch (6.35mm) hex . HSS Drill Bits Metric Thread Screw M5 M6 M8 M10 HSS Drill Bit Tap 1/4inch Countersink Hex Bits Set Drill tap bits increase efficiency of operation by allowing the complete hole drilling tapping & deburring / milling in one operation with a drill-saves work time. Fast replacement composite cone uses drill edged principle. Drilling and tapping in one one-step processing greatly save processing steps and time costs working efficiency. Widely : Suitable for drilling tapping cutting on soft metal aluminum plate iron etc. Note:Low Speed and Cutting holes in materials Colour: gold Material: high-speed steel Package Contents: 11 * Tap Drill Bit Set Only the above package content other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.