The selection of tools and drill bits must match the material of the tiles and the size of the holes. If it is a floor tile or a full tile, an electric hammer cannot be used, and a glass drill bit should be used for the drill bit. The correct operation method should be: First, use a hand electric drill with a glass drill bit to drill holes on the entire ceramic tile, and then replace the impact drill with a triangular drill bit to drill holes on the wall When you need to drill holes with a diameter of 20mm or larger, you need to choose a dedicated tile opener. All porcelain has the characteristics of high density and hardness. Do not use impact drills with triangular drill bits for operation, as high-frequency vibration can easily cause cracking.
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