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- Made of iron and diamond materials, strong and durable, corrosion-resistant, and can be used for a long time.
-The center guide hole and the side hole help to remove the chip material easily, increase the drilling speed and prolong the service life.
-When cutting hard materials, be sure to keep the cool and water lubrication is required when drilling, which can extend the service life.
-15 sizes-which can meet most of your needs.
- Suitable for drilling holes in glass, concrete, marble, ceramic tiles, ceramics, slate marble, granite light stone, etc.
-Diameter:6-50mm
-Material:iron+diamond
-Quantity:15 pieces
Application:Tile, porcelain stoneware, marble, thin natural stone, etc.
Packaging includes：
6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 26 mm, 28 mm, 30 mm, 40 mm, 50 mm one piece each
