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Jul 28th, 2025
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Joined: Jan 2013
Posts: 61
Sidelock
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OP
Sidelock
Joined: Jan 2013
Posts: 61 |
In doing a chamber cast on my drilling I remover the extractor and in the reassembly I dropped the retaining screw. I assume the little bugger is metric and I have no way to determine the dia. or thread count. I am however able to insert a #46 drill bit (with some play) #45 will not pass. Thickness of stock is .0725". Can anyone give me an idea as to what I am going to look for and where I might find it? Pilgrim
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Joined: May 2011
Posts: 765 Likes: 2
Sidelock
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Sidelock
Joined: May 2011
Posts: 765 Likes: 2 |
Get a magnet and find it?
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Joined: Mar 2012
Posts: 369 Likes: 40
Sidelock
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Sidelock
Joined: Mar 2012
Posts: 369 Likes: 40 |
Also might try twisting a toothpick into the hole and maybe get a usable measurement off of that.
Sam Welch
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Joined: Jul 2012
Posts: 4,946 Likes: 345
Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,946 Likes: 345 |
[pilgrim,
I suspect New England Custom Guns can tell you the thread specs.Victor Machinery Exchange,Inc. has metric taps and dies( sales@victornet.com ).
Mike
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Joined: Feb 2005
Posts: 7,438 Likes: 1
Sidelock
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Sidelock
Joined: Feb 2005
Posts: 7,438 Likes: 1 |
[pilgrim,
I suspect New England Custom Guns can tell you the thread specs.Victor Machinery Exchange,Inc. has metric taps and dies( sales@victornet.com ).
Mike ACE Hardware has metrics as well. I bought a 4mm die there for a project awhile back. The people at my local store are very helpful. You might want to take the threaded part in and figure out the size using their taps as gauges. Jim
Last edited by italiansxs; 01/30/13 03:52 PM.
The 2nd Amendment IS an unalienable right.
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Joined: Dec 2001
Posts: 6,466 Likes: 345
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 6,466 Likes: 345 |
Check other screws on the gun. That will give you an idea of the type of threads used etc. Even if another screw from the gun does not fit the lost one's place, you can try a series of similar screws you can purchase. One can also run, with one's fingers, a series of taps into the vacant hole and find one that fits easily.
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Joined: Jan 2013
Posts: 61
Sidelock
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OP
Sidelock
Joined: Jan 2013
Posts: 61 |
daryl, thanks for your reply, I was thinking of that but I wonder if that would depreciate is value?
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Joined: Dec 2001
Posts: 6,466 Likes: 345
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 6,466 Likes: 345 |
Pilgrim, I did not mean to retap the hole with the missing screw. Only meant to use taps lightly with one's fingers to fine out which one fit the existing hole.
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Joined: Feb 2008
Posts: 11,805 Likes: 678
Sidelock
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Sidelock
Joined: Feb 2008
Posts: 11,805 Likes: 678 |
I like Steve White's suggestion to get a magnet and find the original screw best. Even if it takes several hours, that will probably be the least time and money consuming option. Small screws like that seldom bounce more than 47 feet. Several years ago, I bought a roll of flexible magnet material like refrigerator magnets are made of. I lined a large plastic tray with it and use that to catch small screws, pins, and springs during assembly or disassembly. Saves a lot of profanity.
Voting for anti-gun Democrats is dumber than giving treats to a dog that shits on a Persian Rug
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Joined: Nov 2006
Posts: 534
Sidelock
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Sidelock
Joined: Nov 2006
Posts: 534 |
First guess is M2.5x0.45
2nd guess is M2.5x0.5
lots of size variations / poor or no standards in those days.
Finding the screw would be a lot better.
Good luck,
WC-
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