CCTSA Self Centering Drill Bits Set for Hinges, Center Drill Bits VIX Bit Set with Red Plastic Storage Case for Wood Woodworking Door Window Cabinet

CCTSA Self Centering Drill Bits Set for Hinges, Center Drill Bits VIX Bit Set with Red Plastic Storage Case for Wood Woodworking Door Window Cabinet

User Guide:
* Choose a sutiable size drill bit depend on the woods' hardness level:
- If the wood is a soft one, choose a relatively one size smller drill bit;
- If the wood is a hard one, choose an exact size or a relatively one size larger drill bit;

* Choose a Sutiable Size Drill Bit Depend on the Diameter of the Screw:
- 5/64" bit can drill a hole(hole diameter is 2mm) for screws whose diameter is 2.2-2.8mm;
- 7/64" bit can drill a hole(hole diameter is 2.8mm) for screws whose diameter is 3-3.5mm;
- 9/64" bit can drill a hole(hole diameter is 3.5mm) for screws whose diameter is 4-4.5mm;
- 11/64" bit can drill a hole(hole diameter is 4.5mm) for screws whose diameter is 5-5.5mm;
- 5mm bit can drill a hole(hole diameter is 5mm) for screws whose diameter is 5.5-6mm;
- 13/64" bit can drill a hole(hole diameter is 5.2mm) for screws whose diameter is 6-6.5mm;
- 1/4" bit can drill a hole(hole diameter is 6.35mm) for screws whose diameter is 7-7.5mm;

* What if the drill bit get stucked:
- If the drill bit get stuck and jammed after drilling and you are not able to pull it out, use the L-Shape Wrench to disassemble the drill bit into parts, then you can get the bit out.

What You Will Get:
8 x Self Centering Drill Bits
1 x L-Shape Wrench
1 x Red Plastic Storage Case