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Tank Drilling


shaywood

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Well the thinner the glass the more apt it is to crack just from the pressure of the bit.

 

I have drilled a few tanks of over the years and if I remember right about 3/16s is about as thin as I would go. I think that is what the 29 gallon was I did years ago. I had no issues with 1/4 on a oceanic.

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I agree with the cracking issue but there is a simple alternative that could work well. you can cut holes in glass with a dremel and Diamond tip bit. It takes longer than a drill but there would be much less pressure. Just draw an outline of your hole (better yet make a wooden template) and carefully use the dremel to grind through the glass. Use a spray bottle to keep the area wet at all times. I have used this approach before and it works well but takes a lot longer.

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