4 inch Diamond Hole Saw Drill Bit Tile Ceramic Glass Porcelain Dustless Accurate

Tile Installers: Achieving clean cuts in challenging tile materials. For optimal performance and to maximize tool life,always use water as a coolant while drilling. You can achieve this by creating a small water dam around the drilling area (e.g., with plumber's putty or a wet sponge), continuously spraying water onto the bit, or using a constant water flow.

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