K reef-fans!!! I've I did it! I drilled my tank. And here's the results...
I made it through!!! No cracks! I switched bits.... And got 95% of the way around, then the glass "coin" for a lack of better terms fell out.... I panicked... come to find out...
NO CRACKS!... SUCCESS!!!!
I finished rounding out the hole and the bulkhead fit right in! Amazing!
Here's some pix along the way!!
Setup
http://i118.photobucket.com/albums/o...n12updt007.jpg
http://i118.photobucket.com/albums/o...n12updt006.jpg
just making my mark...
http://i118.photobucket.com/albums/o...n12updt008.jpg
A lil deeper.
http://i118.photobucket.com/albums/o...n12updt009.jpg
...
http://i118.photobucket.com/albums/o...n12updt011.jpg
...
http://i118.photobucket.com/albums/o...n12updt013.jpg
...
http://i118.photobucket.com/albums/o...n12updt014.jpg
And I break through!!!
http://i118.photobucket.com/albums/o...2updt015-2.jpg