Things You Will Need
With the right tools and a little knowledge, you too will be prepared to drill holes in any hard surface.
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Drill smaller holes in concrete using your hand-held drill. For larger holes consider renting a hammer drill or rotary hammer. Purchase a carbide tipped masonry drill bit the size of the hole you wish to drill.
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Insert a small diameter masonry bit into your drill. Set the clutch to the highest number. Determine how deep your hole will be, and put a piece of masking tape on the drill bit at the appropriate length.
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Place the drill perpendicular to the surface of the concrete and begin drilling. Push the drill in, and take the drill out, every 10 seconds. When using a hammer drill, you only need to withdraw the bit occasionally to remove concrete dust.
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Don't apply pressure to the drill. Let the drill do the work. Exerting extra pressure on the drill could break the drill bit.
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Replace the smaller drill bit with a larger drill bit, once the pilot hole is drilled. Making a thinner hole before drilling the desired hole, makes drilling the larger hole much easier.