7Pcs Combination Drill and Tap Set Metric Thread HSS -M12 Screw Tapping bit Tool Quick Change 1/4in Hex Shank

Features: Versatile Tap Bit Set -- 7-pack different metric thread sizes tap bits (M3x0.5 M4x0.7 M5x0.8 M6x1 M8x1.25 M10x1.5 M12x1.75). High Performance -- Drilling and tapping in one one-step processing greatly save processing and time costs improve working efficiency. Wide Application -- Full tap bit set ideal for drilling tapping cutting on wood soft metal aluminum plate iron etc. (Note: it can not work well with stainless steel 304 or high hardness metal.) Premium Quality -- Made of high speed steel(HSS) high hardness rustproof solid and durable. Quick Change -- 1/4 inch hex shank fits into power tools more easily and securely. Specification: Color: Material: High-speed steel Shank Diameter: 1/4in(6.35mm) Quantity: 7pcs Type: Tap Drill Bit Size: M3x0.5: Total length: 67mm Spiral length: 22mm drill diameter: 0.5mm M4x0.7: Total length: 67mm Spiral length: 22mm drill diameter: 0.7mm M5x0.8: Total length: 69mm Spiral length: 25mm drill diameter: 0.8mm M6x1.0: Total length: 68mm Spiral length: 25mm drill diameter: 1.0mm M8x1.25: Total length: 71mm Spiral length: 38mm drill diameter: 1.25mm M10x1.5: Total length: 72mm Spiral length: 38mm drill diameter: 1.5mm M12x1.75: Total length: 81mm Spiral length: 46mm drill diameter: 1.75mm Application: Suitable for soft metal aluminum iron steel board and 2mm or less stainless steel Packing List: 7 * Hex Shank Tap Drill Bit