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DIY: Homemade Thread Alignment Tool


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I recently moved (Jan 1) and in the process misplaced some of my tooling.. More specifically my Thread Alignment tool for 14x1 LH. There is no worse feeling than knowing you have something, but having no idea where its at.. So after an hour of searching i decided Id make my own

 

Unfortunatly i didnt take pictures along the way, but Ill try to describe in detail exactly what i did.

 

First off here is the finished product

20130113_132848.jpg

 

I knew the hardest thing to make woud be the actual threads on the T.A.T. since i didnt have a lathe, or the more obvious a T.A.T

In the process of searching for my tooling i ran across some old Romanian Front Sights with short sections of barrels that were threaded smile.png

20130113_132929.jpg

 

The next thing to do was press out the FS pins and then press it off of the demilled barrel. After that I chopped off the threaded section with a Cut Off wheel

20130113_133010.jpg

 

I then found an old stripped out chuck key froma drill press I no longer own.

http://i156.photobucket.com/albums/t4/presto_z/20130113_132908.jpg

 

It was fairly close to the inside diameter of a 7.62, so turning it down was a pretty fast process.

http://i156.photobucket.com/albums/t4/presto_z/20130113_133325.jpg

 

I ended up chucking one end of the cut off chuck key into a drill and used some Aluminum oxide sandpaper to turn it down to the desired diameter

http://i156.photobucket.com/albums/t4/presto_z/20130113_134714.jpg

 

I left one end slightly larger so i could press fit it into the short section of threaded barrel. I dont have an exact measurement on that since i did it on the fly and didnt take pictures until the project was complete. I made it where the crowned side of the demilled barrel would touch the crowned side of the unthreaded barrel.

20130113_133144.jpg

 

All in all i spent an hour or so making this..

Edited by presto_z
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No, not at all.. I have about 10 parts kits, some are in good shape, others are not.. This one is Egyptian and has some rust, but after a trip to the sand blaster and a fresh coat af molyresin it will clean right up. When this pic was taken the barrel wasn't even pressed into the front trunion..

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