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15pcs Diamond Glass Ceramic Marble Hole Opener hole saw drill bits
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15pcs Diamond Glass Ceramic Marble Hole Opener hole saw drill bits

- China Silver

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Main Features

-This diamond coated drill bit removes a complete circle from glass, tile, marble, granite, ceramic or other materials.
-Material and only need water lubrication.
-Always use lubricating oil ( water ), otherwise, the diamond core will burn out.
-Can be used with standard electric drills.
-Start drilling along the diagonal, make a circular trajectory, and keep the drill straight.
-Diamond drills combine advanced technology and technological achievements and performance.
-In processing, there are advantages such as grinding without chipping, fast speed, sharpness, and wear resistance.

Special drill: Suitable for glass, ceramics, floor tiles, etc.

Product size:
6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 22 / 25 / 26 / 28 / 30 / 40 / 50mm


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