Different coatings of nail drill bits

- Mar 17, 2021-

1.Gold/silver——Fast heat dissipation, not easy to change color, simple dust removal
2.Titanium——Fast heat dissipation, high hardness, long service life
3.Ceramics (Zirconia)——No surface coating, no coating peeling problem
4.Blue/purple/black/rose gold/colorful.

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