M6 Barrel Thread
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- G-Sergeant
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- Joined: Mon Mar 30, 2015 8:06 pm
- Location: New Zealand
M6 Barrel Thread
Has anyone ever worked out what the thread is and called on the end of a M6 Barrel for a 37mm. Is it "square buttress" type thread , and how many threads per inch? , Cheers Andrew.
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- G-Corporal
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Re: M6 Barrel Thread
It's an acme thread, 4 3/4"-2tpi for the breech threads.
Unless you're talking about the M3a1 barrels threaded for the muzzle break in which case I have no idea
Unless you're talking about the M3a1 barrels threaded for the muzzle break in which case I have no idea
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- G-Sergeant
- Posts: 37
- Joined: Mon Mar 30, 2015 8:06 pm
- Location: New Zealand
Re: M6 Barrel Thread
Thanks for that, I now have a better understanding of this thread. Just out of interest, are there acme cutting tool bits available in the States , or I would guess these situations , you just grind up your own high speed steel cutter?, Cheers Andrew.
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- G-Colonel
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Re: M6 Barrel Thread
machine tool dealers can supply the tooling to cut these threads.
M3 37mm Cannon Parts and Resin Weapon Replicas. We also manufacture reproduction Stuart parts.
Fuel tanks, Rear Exhaust and Air Deflectors, and other components.
314-703-9710
Fuel tanks, Rear Exhaust and Air Deflectors, and other components.
314-703-9710
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- G-Sergeant
- Posts: 37
- Joined: Mon Mar 30, 2015 8:06 pm
- Location: New Zealand
Re: M6 Barrel Thread
It actually appears to be Stub Acme thread, and yes 2tpi, have picked up a carbide insert for the job. Stub Acme is half the depth of Normal Acme threads.
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