6Pcs HSS Countersink Tap Drill Bit Set Combination Hex Shank Titanium Screw Thread Metric Tap Drill

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Product description

  • Combination drill package includes 6-piece titanium drill tap (M3, M4, M5, M6, M8, M10); hex shaft 6.35 mm (1 4 inch); Main material High speed steel
  • Designed for drilling, thread cutting, deburring and countersinking in wood, plastic, thin aluminium copper and other soft metals (5 6 mm), not for hard materials.
  • Note When drilling a hole, you should spray water at the same time to cool the drill. This will help you increase the value of the drills. If you cannot cool the drill when drilling L, the drilling speed should not be too high and you should not drill too frequently.
  • Drilling and typing in one, one-step processing. Strong processing steps and time, improve efficiency work.

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