DEWIN Thread Tap Drill Bit Set, 6 Pcs Tile Drill and Tap Bit Metric Thread M3-M10 Titanium Coated HSS Drill and Tap Bits 1/4" Hex Shank Hand Tools

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  • Spiral taper design The self-tapping screw adopts helical groove design, and the helical taper design can prevent thread damage caused by excessive drilling, and the chip area method will be better. Self-centering point, no auxiliary center drilling or center punching required.
  • Three-in-one function Thread taps can help you complete tasks such as drilling, tapping and chamfering on one drill, which greatly saves processing steps and time costs, and improves work efficiency.
  • Package includes 6 titanium drill taps (M3, M4, M5, M6, M8, M10) for tapping various threads. Note Every time you drill a hole, water should be injected to cool the drill bit at the same time. If the drill cannot be cooled while drilling, the drilling speed should not be too fast nor too frequent.
  • High compatibility Drill bit sets can drill, thread, deburr and countersink on wood, plastic, thin aluminum, copper and other soft metals (5-6mm), not suitable for hard materials.

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