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Home      Reply		Viewed: 308 -- Replies: 10
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Posted	Drilling tanks?
22-06-2006 18:55 by robert.pope	simple question how do you drill a tank? what tools would u need? only asking out of intrest.....i hope to move house soon and in the future i would like to set up a small fish house/room set up ! would link 3 tanks upto a large external and run them as 1 any info on this would be wellcome .....thanks fish friends
23-06-2006 00:05 by nige	i have sucess fully drilled holes in my tank using a cheap tile drillbit from b+q (about £12 i think which is better than 69 for a proper glass one, i made i guide using acryic cutting a hole out of that first and then slowly grinding the whole through using lots of water squirted by my mate. i can get 6 or seven holes out of a bit before the diamonds are all gone and after that i use grinding compound untill the grouves wear out on the hole saw
23-06-2006 00:06 by nige	'scuze the typos, just got in from a 18hr working day
23-06-2006 09:33 by D.R.	Good question Robert! Good tips on drilling nige, do you have the Cat no. of the drill bit from B+Q, what sizes can you get them in. I have only been able to track more expensive bits. I have used a drill press, if you build a dam around the drilling area with clay or kids plasticine (spelling?)and fill with a small amount of water or oil (vegetable or cooking oil to prevent toxicity). This keeps the temperature down when grinding and helps stops cracking or fractures.
23-06-2006 10:16 by Danny Boy	i got mine on ebay. 4 for 7 quid. did the same as nige, in fact when you buy the kit they give instructions on how to do it. takes a while and best to go slow. must keep it wet or it'll get too hot and blunt the saw.
23-06-2006 12:51 by nige	i cant remember, but its in the same section as the holesaws they come in sizes from 6mm up to 64 i think, i used a 38mm bit for my tank connector the other thing to remember is that you are grinding a hole not cutting so dont put pressure on the drill, let it do all the work, the other thing i can highly recommend that you make a guide out of wood or acrylic, i used plaster board to great effect a couple of times, and constanly squirt cool not cold water onto it to make sure that you dont break the glass fro temperature shock
23-06-2006 13:00 by D.R.	Cheers Nige. I was suggesting the drill press as you can set the drill stop by a fraction of a mm. A trip to B+Q after work then
23-06-2006 13:04 by D.R.	Also, what sort of grinding compound is best and where do you obtain it?
23-06-2006 15:15 by nige	um i used some i found in the garage when we moved there, i think its called diamond xxx you wont need to use the compund with a new bit as they still have pleanty of the electroplated diamons on them so i wouldnt wory about it. just take your time, go slowly and remember to support the other side wit a piece of wood or something to prevent splintering. oh yea, one more thing when you are starting the hole you will find that the bit skates around on the glass. so i recomend a guide. hope this helps nige
23-06-2006 17:04 by Danny Boy	yeah the guide is essential
23-06-2006 19:32 by robert.pope	thanks for the info fish friends!

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