Min. Order Reference FOB Price
5 PCS US$4.50-6.50 / PCS
Product Description
1. Vacuum brazed dry drill bits can be used in dry drilling of granites, marble, hard tiles, hard porcelain, etc. 2. It will perform much better if used in wet conditions; the life will be times more than the electroplated drill bits which can't be used in dry drilling. Drilling speed is fantastic ...