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August 16, 2011, 10:08 AM | #1 |
Member
Join Date: October 15, 2009
Posts: 15
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Help, screwed up chamber threads.
Got my new Treso nipples yesterday and was installing them. Five went in like butter. One chamber I couldn't get started, so I tried a couple of the other nipples. No luck. Put the original Pietta nipple back in just to check. Went in fine. Tried the Tresos again. At one point I gave it a little extra pressure, not much, just to see if it would work through. No luck. Tried the original again and now I cant get that one in.
I tried to look at the threads with a bore light and a jewelers loop. It was hard to see, but it looks like a couple of the first threads may be buggered a little. I'm no machinist, but it seems like I'm screwed (no pun intended) unless I can find an m6 x .75 screw somewhere to send through from the chamber side and maybe clear out the log jamb? Second option would be to purchase a tap? Can't find anything locally so I'll have to order something on the internet. What do you guys think? |
August 16, 2011, 10:37 AM | #2 |
Senior Member
Join Date: August 4, 2005
Posts: 2,017
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You should be able to find a M6x75 machine screw at the local hardware store. Yes, carefully screwing it in from the cylinder chamber side should dress the threads. No need to buy a tap unless they're really buggered bad--taps tend to remove metal. You should need only to straighten it out a little.
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August 16, 2011, 11:55 AM | #3 |
Member
Join Date: October 15, 2009
Posts: 15
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Can't find any locally. Everyone has M6 x 1, but not M6 x .75
I'll keep trying but my fall back is the tap for $4.27 from Bisco Tool Supply. I can have a friend pick it up on the way in to work. If I can run it from the chamber side it should pretty much screw in like a screw till it hits the obstruction, no? I'm not sure if the threading runs all the way into the chamber or not. Update 8/16/11: Found a local bicycle shop that says they have them, so I'll pick one up on the way home from work. Update 8/16/11: Guy at bicycle shop must have been on crack. They didn't have them. On to plan B. Tap arriving today. Update 8/18/11: Tap worked, back in business! Last edited by onetuza; August 18, 2011 at 09:08 AM. |
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