GreenLee 9/16" round chassis or radio (not conduit/pipe) punch for making 9/16" diameter holes
A GreenLee punch (shown in picture) is highly recommended. It produces a perfectly round and clean hole, free of any burrs or rough edges. We do not recommend using regular bits, step bits, or hole saws to make precision holes.
Make sure to use the exact part recommended here. You need a 9/16" chassis or radio punch. A 9/16" conduit or pipe punch will not make a 9/16" diameter hole.
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