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Hole cutting

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wrightme43

Well-known member
Joined
Jul 1, 2004
Messages
4,355
Location
bowling green ky
I havent but I assume that somehas and that is why they have glass drill bits. If it worked I would think that no one would take the hour to cut a hole in glass with a bit. It may work wonderfully I would test it on a ten gallon and get the hang of it first. Still as the glass gets thicker you run a bigger and bigger risk. JMHO. STEVE
 

DonW

R.I.P.
Joined
Dec 15, 2003
Messages
8,753
Location
Tacoma, WA
If you mean those little cutters with the tiny diamond wheel. I wouldnt even consider trying it. They are used to score a straight line then break on that line.

Don
 

plack

Sea Otter
Joined
Jul 21, 2004
Messages
1,431
Location
Bothell ,WA
if you do try it use a small flat pc of glass its less expensive than a whole tank.
Diamond hole saws is what i have heard works but that again needs pratice i'll bet.anyway good luck and let us know what worked out for you :)
 

gobie

dave the gobie
Joined
Dec 2, 2004
Messages
366
Location
Auburn
I Had Cut Glass For Years Five To Be Exact And It Is Not Worth It. I Went And Got My Tank Drilled And Paid For It. It Will Either Run Ir The Hole Will Not Come Out Right.
 

tamarindthai

Well-known member
Joined
Jul 1, 2003
Messages
3,354
Location
Sammamish, wa USA
while ,they are drilling the tank,,,i'm asking,, do they have any garantee not to cracking or shattering!!!!,,,,answer is no,,,,said at yours own risk,,this is the experienced i had.,pretty scarly ahh.(is this the tank you bought a few months ago)
 

dsdemer

New member
Joined
Mar 13, 2004
Messages
4
Location
Gig Harbor
I drilled my 20 gallon with no problem. I picked up one of those carbide-hole bits at Home Depot ($8). There are two keys to sucess. The first is: use water. if you can, put 1/8 of an inch of water in whatever you are drilling. This lubricates and cools the glass. The second, and more important than the first, is: TAKE YOUR TIME. This bit grinds rather than cuts, so it take a while. Good luck
 

wanareef

reefer addict
Joined
Aug 26, 2003
Messages
250
Location
Portland, OR
You can get those diamond burrs from Harbor Freight for about $6 for 20pcs. It'll take you about 10 mins to cut a hole using 2 bits. This is on the back side I hope. The bottome are usually tempered and you can't cut that. Make sure you have the BH in hand and measure
 

gobie

dave the gobie
Joined
Dec 2, 2004
Messages
366
Location
Auburn
If You Are Serious About Drilling Your Tank . You Can Always Replace Your Bach Sideglass With A Sheet Of Acrylic. Some Say You Cant Do This But Most Petco Tanks Have Acrylic On Threesides And The Bottems And Only Glass On The Front. I Guess It Depends How Handy You Are.
 

big t

tankless
Joined
Oct 21, 2003
Messages
1,914
Location
Denver
I will say it, you can not make a good long term bond between glass and acrylic. Silicone forms some kind of molecular sp. bond w/ glass. It however does not w/ acrylic. It would be much easier to drill glass then it would be to replace your back panel w/ acrylic. The best answer for drilling a thick tank like a 120 is spend the big bux and have it drilled.
 

egunman

Well-known member
Joined
Mar 1, 2004
Messages
47
Location
Cheney, WA
Thanks everyone for the suggestions. The hole i am wanting to drill is on the end of a 29 gal glass tank. I am trying/wanting to plumb for an external skimmer.
 
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