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?


About Clark Bunch

Clark Bunch is the pastor of Unity Baptist Church and author of God is Near. He and his wife Teresa have one child. In his spare time he enjoys blogging, playing guitar and riding his motorcycle. And coffee, he'd be nowhere without coffee.
This entry was posted in OMG and tagged , , . Bookmark the permalink.

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).


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s