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Countersink Drill Bit Set

Countersink Drill Bit Set

Regular price $59.97 $29.97 Sale

Countersink Drill Bit Set is perfect for DIY homeowner as every bits come with tricuspid centering. Tricuspid centering system helps to improve accuracy on centering for sharp and precise countersinking. They are all made with high carbon steel material with titanium nitrate coating, which have high hardness & durablity. Countersink Drill Bit Set are perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber etc. It is also suitable for bench drill, hand drill and conventional electric drill.


The countersink drill bits easy to adjust, remove and replacement. Countersink Drill Bit Set makes drill, countersink, and counterbore holes all in one step.

Only three step to use:

  1. Attach a countersink drill bit to your power bench or hand drill.
  2. Keep drill vertical 90°, get a smooth surface hole.
  3. Screw cap perfect embedded in the surface of workpiece. 

Helpful Suggestions:

  • Keep the drill vertical while drilling.
  • These countersink drill bits are NOT for steel plate, iron plate and other hard materials.
  • To get a better result, bench drill methods are recommended.

Package Includes:
1*Allen Wrench
7*Countersink Drill Bits

  • 3mmx 60mm
  • 4mmx 75mm
  • 5mmx 85mm
  • 6mmx 93mm
  • 7mmx 100mm
  • 8mmx 110mm
  • 10mmx 120mm