How to Drill Rock by Hand
Whether you are making a piece of jewelry, mounting ironworks to a stone garden wall, creating pole inserts for an outdoor shelter, or threading tubing for a backyard rock fountain, a wide variety of reasons call for drilling stones or rock by hand. When drilling rock, keep in mind that rock densities and reactions to drilling vary. For safety reasons, choose the appropriate tool for the size of hole being drilled.
- Difficulty:
- Moderate
Instructions
Things You'll Need
- Drill
- Stone or masonry drill bit
- Vice (optional)
- Safety glasses
- Dust mask
- Spray bottle
- Hammer and chisel (optional)
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-
1
Equip a gem drill or a rotary tool with the appropriately sized drill bit to create small holes such as those needed for beading. For standard, screw-thread size holes, a standard drill with at least 14.4 volts of power may be sufficient; however, the use of a hammer drill for standard to medium-sized holes is more common. A drill press is another possibility if the stone is mobile. Use only a carbide or diamond tip masonry bit. For medium to large holes, diamond coring drill bits are also available.
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2
Secure small, unstable stones in a vice.
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3
Put on safety glasses to ensure protection from flying bits of rock. Wear a dust mask to avoid inhalation of dust.
-
4
Mist the drill bit and the area to be drilled with water.
-
5
Increase the drill speed as the hole becomes established. Move the drill bit in and out, in a rocking motion, if not using a hammer drill.
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6
Stop the drill periodically to blow out rock bits in the hole and to cool the bit and the stone with more water. If using a coring bit, it may be necessary to use a chisel and hammer to remove matter from the hole.
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1
Tips & Warnings
Many types of stones contain arsenic substances, such as lead and cadmium. Always research the stone type and potential threats before drilling.
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