How to Drill a Square Hole

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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About Clark Bunch

Pastor (Unity Baptist) author (God is Near) husband, father, blogger, coffee enthusiast.
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One Response to How to Drill a Square Hole

  1. Clark Bunch says:

    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).

    Like

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