200 RPM should work fine for just using a 7/8" drill bit. A carbide burr in a die grinder would be a PIA! If it grabs wrong will throw the die grinder all over the place. BTDT Make sure to have the piece centered and clamped really good before you drill it. The first part of the cutting may chatter a bit but will stop after you get the outside edge of the hole established. If a shop will do it for $15, that's cheaper than buying the drill bit if you don't have one.
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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