How to drill a hole in marble

Written by cleveland van cecil
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How to drill a hole in marble
Drilling holes in marble may be necessary when making a countertop in the kitchen. (Jupiterimages/Comstock/Getty Images)

Marble is a hard rock often used as a construction material in the home. Marble is very hard and can be polished shiny smooth, making it ideal in the kitchen as a countertop and in the bathroom for fixtures. When using marble in remodelling it may be necessary to drill the marble to fit pieces together. To drill marble you must use the correct drill bit with the right technique to keep the marble from cracking.

Skill level:
Moderately Easy

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Things you need

  • Masking tape
  • Marker
  • Shallow tub or container
  • Water
  • Diamond drill bit
  • Drill

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Instructions

  1. 1

    Place a piece of masking tape over the area where you wish to drill. Measure the location of the hole, and then mark the location of the hole with a pen. Measure twice to ensure you made the mark in the correct location.

  2. 2

    Place the piece of marble in a shallow tub or container filled with enough water to cover the marble.

  3. 3

    Attach the bit to the drill. Set the speed of the drill to 100 to 200rpm. Press the trigger of the drill and place the tip against the mark on the tape. Apply gentle pressure to the drill.

  4. 4

    Drill down, then pull up, moving up and down with the bit to gently work it into the marble. Moving the drill bit up and down in the marble keeps water evenly applied over it, preventing heat build-up and keeping the hole smooth.

Tips and warnings

  • Do not use a hammer drill on marble. It will cause it to break.

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