How to Drill HolesThrough Bathroom Tile Without Cracking It


In most bathroom designs, there will come a time when you need to drill a hole in tile; grab bars, towel rails and toilet paper dispensers all frequently require holes to be drilled into wall tile. Most wall tile used in a bathroom is extremely hard, dense and difficult to drill through with a standard drill bit. By working slowly, using cooling oil and the proper bit, you can drill holes through any tile to complete the bathroom design.

Things You'll Need

  • Masking tape
  • Pencil
  • Carbide or diamond-tipped drill bit
  • Drill
  • Place two pieces of masking tape in the form of an X over the area on the tile you wish to drill. Mark the exact spot on the masking tape where the hole will be placed with a pencil for easy reference.

  • Change the bit on the drill to a carbide-tipped bit for ceramic tile, or a diamond-tipped bit for porcelain tile. Dip the bit of the drill into a bottle of cooling oil before you begin.

  • Place the tip of the drill bit against the area you wish to drill and set the drill to its lowest speed setting. Begin drilling into the tile with slow, steady pressure. If smoke appears or the bit begins to heat up, stop and dip the bit into the cooling oil before continuing. Go slowly to avoid overheating the drill, or cracking the tile, until the hole is complete.

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