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Old May 13, 2017, 07:48 PM   #1
Model12Win
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Stripped

Stripped out the thread for a nipple in the back of my '51 Colt Navy.

Any ideas how to fit it? Should I get a new cylinder?
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Old May 13, 2017, 08:14 PM   #2
Hawg
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Maybe you can drill and tap it for a bigger one.
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Old May 13, 2017, 08:52 PM   #3
FrankenMauser
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Duct tape.

If it stripped the cylinder instead of the nipple, I'd probably be considering Hawg's suggestion of drilling oversized and tapping for a bigger nipple.

At added expense, it may be possible to drill even farther oversize to permanently install a threaded plug. Then drill and tap the plug for the same size nipple.
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Old May 13, 2017, 09:39 PM   #4
4V50 Gary
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FrankenMauser's second suggestion is the course I would take.
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Old May 14, 2017, 06:57 AM   #5
noelf2
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If it's a recent Italian copy, I'd get a new cylinder, keep this one as a spare. Heck with drilling and tapping.
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Old May 14, 2017, 07:23 AM   #6
DD4lifeusmc
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personally I don't know of anybody that makes oversized nipples.
Although a sae thread nipple may be a bit bigger than the metric.
But you also need to consider the overall height of the nipple.

Best bet take it to machine shop, or gun smith have them install a helicoil restoring
it to original threads.

Or buy a new cylinder

This is another reason to remove the nipples once, coat with antisieze reinstall and then remove only once every few years.
You don't have to remove the nipples to make sure they are clean.

I haven'tremoved the nipples on my guns in 5 yr, but yet I know they will come out because of the coating, they always have in the past.
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Old May 14, 2017, 07:27 AM   #7
44 Dave
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You can trade it to one of those people who only load 5!
If it is a Uberti the Pittta uses a larger thread.
Taps and drills to match nipple threads are expensive, $$$ wise replace the cylinder.
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Old May 14, 2017, 07:49 AM   #8
reinert
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Oversized nipples

If you want to go the oversized nipple route, you may want to try Track of the Wolf. They have many nipple sizes to hunt for a possible fix on your issue, along with the proper drill bits and taps for the job.

www.trackofthewolf.com/list/item.aspx/807/1
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Old May 14, 2017, 08:37 AM   #9
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Drilling and tapping is a good exercise for developing one's skills. Come the day that parts are hard to obtain, you'll be glad you've got the skill to keep them going.
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Old May 15, 2017, 07:06 AM   #10
g.willikers
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Just a guess, but
Are the threads for nipples exactly straight drilled and tapped relative to the cylinder body?
They might be at an angle.
A small one, but any angle will be a problem.
If so, it will take skill and a jig of sorts to do any replacement.
Might be worth a check before decided whether to just buy another cylinder.
Maybe 44 Dave has the best solution.
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