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 Post subject: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Sun 02, 2022 1:15 am 
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Someone here was working on some repro AK thumb nuts and I can't remember who. The last time he posted on it he wrote the form tool he had made wasn't right and he was going to have another one made. I was wondering what if any progress had been made.

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Sun 02, 2022 2:31 am 
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I assume you mean the big ones, and not the ones for the posts?

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Sun 02, 2022 2:35 am 
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These...


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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Sun 02, 2022 3:27 am 
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how many you need? I have some originals i might trade


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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Sun 02, 2022 4:45 pm 
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That was me, right. There were 'interruptions' in the plans for getting the form tool re-done. This is currently a back-burner project, sorry.


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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Sun 02, 2022 7:13 pm 
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Completely understandable Jim given whats going on. I was just curious where you were with the project.

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Sun 02, 2022 8:24 pm 
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Was thinking about this today, does not seem hard to do if you have a metal lathe, tap, and the knurl tool.Now if you had a CNC lathe it would be easy.

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Mon 03, 2022 12:10 am 
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All of the above - which includes the special convex knurling tool. Trouble is the form of the thumbnut is quite particular and AK did those with a form tool,
which the correct, and fastest way. Basically I'll need to get a quote for the form tool, which involves sending the vendor a .dxf file for them to do the wire
EDM job.


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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Mon 03, 2022 12:34 am 
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Yes, tooling is everything, here is a form tool.
https://www.youtube.com/watch?v=xKHZ_IZeoUA

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Mon 03, 2022 1:02 am 
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Is there any major difference (other than the con--- knurling) between the AK nuts and the brass knurled thumbnuts sold by the H Paulin hardware company? MOst hardware stores including Home Depot sell Paulin products.


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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Mon 03, 2022 2:13 am 
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As I recall, any 8-32 thumb nut will fit, but nothing currently available has anything close to the correct knurling.


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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Mon 03, 2022 2:22 am 
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I have also seen those thumb nuts on Chelsea radios as well, the only difference is they were nickel plated, and the knurl is a little thinner.

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Wed 05, 2022 1:16 am 
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I've got these, these are new, obtained them a few years ago, they are a metric thread, close to a 8/32 pitch, their quite large....


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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Wed 05, 2022 6:52 am 
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ballroad wrote:
I've got these, these are new, obtained them a few years ago, they are a metric thread, close to a 8/32 pitch, their quite large....


Not even close to what Dan is looking for.

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Wed 05, 2022 6:21 pm 
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http://brassbindingposts.com/

Inquire, may have the straight knurl?

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Fri 14, 2022 8:44 pm 
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atwaterkent1 wrote:
Someone here was working on some repro AK thumb nuts and I can't remember who. The last time he posted on it he wrote the form tool he had made wasn't right and he was going to have another one made. I was wondering what if any progress had been made.


Dan, aren't these the same nuts that were used on AK20 big box sets?

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Fri 14, 2022 10:21 pm 
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yes, I sent Dan a handful.

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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Mon 24, 2022 4:26 pm 
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If there is interest in these, I'll post on the "for sale" forum. Finally got the form tool made. One on the right, is an original for comparison in the second photo.


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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Mon 24, 2022 5:11 pm 
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Those look really nice, Jim. I don't need any at the moment, but those look like they could really be a benefit to the AK collectors.

Travis


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 Post subject: Re: Atwater Kent Repro Thumb Nuts
PostPosted: Jan Mon 24, 2022 5:27 pm 
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jim rozen wrote:
If there is interest in these, I'll post on the "for sale" forum. Finally got the form tool made. One on the right, is an original for comparison in the second photo.


I will take some, are you going to make the flat knurled bottom piece?

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