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

Tax included.

FEATURES:

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.

NOTICE:

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

Package: