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What is the maximum size of an Auger?

- Feb 23, 2018 -

What is the maximum size of an Auger?


What is the maximum size of an auger? For wood, auger bits don’t run much over 2 inches, since the torque would be difficult to handle. I am sure there are exceptions, but from experience, you really don’t want to have a larger bit on a portable drill, a drill press, of course, would be different.

For the real deal, I have operated a 36 inch earth auger installing foundations for signs and columns, but that was a little guy. Highway crews operate augers on heavy equipment that bore 6 foot holes, and there are some larger, but that is as big as I have seen. I don’t think you want to hook one to a conventional drill to spin them, either, but good luck!


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