This size is more suitable for the so-called 2" grommets used for many computer cables that Foreign and domestic are made for 50mm holes, not 2 inch. If you use a 2" saw you will end up with a slightly larger hole (51mm). good seat. But good luck finding it. Good quality saw. But steel, not carbide, so you might want to get two if you plan on making a lot of holes.
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