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3 answers

You can use a drill or a hole punch, depending on the thickness of the metal. In some cases, you can use a hole saw. A variety of companies make good drill bits and hole saws; the best hole punches I've used are made by Greenlee.

2006-10-09 08:25:50 · answer #1 · answered by pvreditor 7 · 2 0

drills.
You need special types to drill through different strengths of metal though

2006-10-09 08:19:50 · answer #2 · answered by Stuart G 2 · 0 0

drills presses water

2006-10-09 08:25:31 · answer #3 · answered by Anonymous · 0 0

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