How to Drill a Hole in a Small Stone

Written by colby hartke
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How to Drill a Hole in a Small Stone
Holes can be drilled into semiprecious stones and gems. (Zedcor Wholly Owned/PhotoObjects.net/Getty Images)

Small holes can be drilled into stones for jewellery making and craft projects. Avoid using stones that are soft, that have cracks or that flake easily. Stones like slate, shale and flint are not recommended for drilling at home because they shatter under pressure.

Skill level:
Moderate

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Things you need

  • Small stone
  • Fine point marker
  • Bowl
  • Diamond drill bit
  • Drill or drill-press

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Instructions

  1. 1

    Mark the drill spot on your stone with a fine point marker. Flip the stone over and mark the other side of the drill spot with the marker. Set the drill spot away from the edge of the stone to avoid the drill chipping off the side of the stone.

  2. 2

    Set your stone into a bowl of water so it is completely submerged. Set the bowl on a level work area that you don't mind getting wet. Put on a face shield and a dusk mask.

  3. 3

    Attach a diamond drill bit to your drill or drill-press by following the drill manufacturer's instructions. Set the drill bit's point onto the drill mark. Hold the sides of the stone. Drill the stone half way through.

  4. 4

    Flip the stone over to see the other drill mark. Set the drill bit's point onto the drill mark. Hold the sides of the stone. Drill down through the stone until it is drilled all the way through.

Tips and warnings

  • Some stones may break under pressure.
  • Keep your fingers away from the drill's bit when in use.

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