Thanks for all your advice, I did end up drilling through the door, with some
difficulty. I was putting a lot of pressure on the door, the metal actually bent
a bit by the time I was done. I would definetly try a lower speed next time with
some oil and take the door off the hinges and put it on the ground. The way I
got it to work was a lot of pressure and rotating the pressure around the edges
of the hole saw as it cut, I also used a punch and put multiple dents around the
cut to help, still took me a longer time(15-20 min) than I thought it would take
to do it. I wish I would have known what I know now.
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