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Old 02-10-2006, 07:55 PM   #1
Feb 2006
Sussex County, NJ
Posts: 50

Does anyone have a good way to bore a hole in a rubber stopper? I have a stopper that I want to use in a mash tun but the hole is 3/8 and my tubing is 1/2 OD.

Also, I want to make a blowoff for a carboy but the hole is again 3/8 and I have 1 inch ID tubing so it needs to be slightly larger than that.

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Old 02-10-2006, 07:57 PM   #2
ian's Avatar
Jul 2005
Pendleton, SC USA
Posts: 473
Liked 5 Times on 5 Posts

I just drilled one out the other day. I put it in my vise and went right through it. Its a little crooked but worked just fine on my first AG batch, no leaks.

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Old 02-10-2006, 08:10 PM   #3
Truble's Avatar
Oct 2005
Boston, MA
Posts: 1,101
Liked 9 Times on 7 Posts

I use my drill press for that type of stuff. Just need to make sure that the speed isn't too fast that the rubber will melt.
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