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To create a clean, splinter-free hole, always drill from both sides of the door with your hole saw .
Drilling can be done with many of the same tools you use for drilling wood or metal, including twist drills, brad point drill bits, spade bits or a hole saw with a pilot bit.
Remove the hole saw and start drilling again from the other side of the door.
To drill counter-mounted faucet holes, use an electric drill and an appropriately sized hole saw or spade bit.
Cut the appropriate size holes in the panel as traced in Step 2 using a hole saw bit in an electric drill.
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