DALX 6Pcs HSS High Speed Steel Drill Bits Set 1/4 Hex Shank Metric Screw Thread Tap Taper Twist Drill Bit M3 M4 M5 M6 M8 M10

Description: Fast replacement composite cone uses drill edged principle. Self-centering point do not need assistant center drilling or center punching. High Quality: Using the high-quality HSS drill material which is very durable. Suitable for drilling tapping cutting on soft metal aluminum plate iron etc. Drilling and tapping in one one-step processing greatly save processing steps and time costs improve working efficiency. Specification: Material: High Speed Steel. Color: show as pictures. Metric : M3x0.5 M4x0.7 M5x0.8 M6x1 M8x1.25 M10x1.5. Size: M3x0.5: Total length: 55mm Spiral length: 24mm drill diameter: 2.5mm. M4x0.7: Total length: 54mm Spiral length: 24mm drill diameter: 3.3mm. M5x0.8: Total length: 58mm Spiral length: 28mm drill diameter: 4.2mm. M6x1: Total length: 58mm Spiral length: 28mm drill diameter: 5.0mm. M8x1.25: Total length: 59mm Spiral length: 18mm drill diameter: 6.8mm. M10x1.5: Total length: 59mm Spiral length: 20mm drill diameter:8.5mm. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight error due to different hand measurement. Package included: 6 * 1/4 Hex HSS Drill Bit.