What you would need is an inside pipe wrench. See if you can buy one that will fit inside the pipe rather than a set. You will only use it once anyway. More likely its 1/2".
I'm hoping to save my copper sink, but I am afraid I have totally ruined it. I need some suggestions on how to save it! What can I spray it with, or where can I fin...
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What you would need is an inside pipe wrench. See if you can buy one that will fit inside the pipe rather than a set. You will only use it once anyway. More likely its 1/2".
http://www.homedepot.com/p/HDX-Internal-Pipe-Wrench-Set-HDX150/204218626
https://www.familyhandyman.com/plumbing/repair/how-to-use-an-internal-pipe-wrench/view-all