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How to Drill a Square Hole

Posted by Clark Bunch on April 19, 2013

Demonstration of a rounded-corner square drill. Will wonders ever cease?

square hole


Okay, I’ve seen several animations and theoretical designs but have yet to see a practical demonstration. Does anyone out there know if such a device exists in the real world?

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One Response to “How to Drill a Square Hole”

  1. It’s not exactly the same thing, but here is a square hole drilled through aluminum using a drill press. The rig is very similar (and actually works).

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