6pcs Drill Tap Countersink Deburr Set Metric Combination Drill Tap Bit M3-M10

  • $10.69
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  • Perfect for soft tapping metal, Aluminum, Wood, Plastic, etc.
  • Multi-use drill tap deburr countersink hex bit kit.
  • Opening, tapping, chamfering.
  • Hole drilling, tapping and deburring/countersinking.
  • Decrease processing steps and save time, improve working efficiency.
  • Back tapered beyond tap to prevent thread damage from over-drilling.
  • Its a spiral groove, within the processing thread, cutting up to exclude, and was curled applied internally threaded through holes.
  • You can also insert the screws - in the hole where have been drilled.
  • Please add some oil before operate the tap, so the operation is smoother, and also to extend the life of the tap.
  • Application: High Speed Steel 6542 is suitable for wood, aluminum, iron and other lower hardness material, the material thickness is 3-5mm.
  • Caution if you used it with hard metal
  • 6x Drill Tap Countersink