drilling a "square" hole...really!

[pishta]

pretty cool!


http://www.youtube.com/watch?feature=player_detailpage&v=L5AzbDJ7KYI

 

[lowbudget]

That's neat! Now I can use carriage bolts for every thing.

 

[Dartnut]

Nifty video!

 

[KitCarlson]

As a kid I worked in a factory machine shop. I used a square drill that drilled and broached a square hole, in one operation using a drill press. It worked well and was simpler.