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WTB Martin Bell Screw

Postby hrender » Sat Oct 27, 2018 11:29 pm

Looking for a bell screw for a Martin mammoth. Thanks!
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hal.
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Re: WTB Martin Bell Screw

Postby Tundratubast » Tue Nov 06, 2018 1:39 am

Mr. hal render,

I'll take a look to see if their are any screws on my excess bell stack and bell.
Its in the garage.

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Re: WTB Martin Bell Screw

Postby hrender » Tue Nov 06, 2018 1:19 pm

Thanks!
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Re: WTB Martin Bell Screw

Postby PRO » Tue Nov 06, 2018 5:58 pm

Truly a lovely bell screw. Thanks for posting.

Checked my box of bell screws and (unfortunately) do not have one, or it would be yours for free. What is the thread diam x pitch and would you accept a substitute?

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Re: WTB Martin Bell Screw

Postby hrender » Wed Nov 07, 2018 12:36 pm

PRO wrote:Truly a lovely bell screw. Thanks for posting.

Checked my box of bell screws and (unfortunately) do not have one, or it would be yours for free. What is the thread diam x pitch and would you accept a substitute?

Paul.


I haven't measured the threads yet as I'm still hoping to find a matching Martin screw. If I come a cropper on that, I'll check the threading to see if I can find a substitute. Thanks for the offer!
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Re: WTB Martin Bell Screw

Postby PRO » Thu Nov 08, 2018 7:21 am

Bell screws are fairly easy to make on a lathe. However, that wide, crowned, lovely knurling would be tough to replicate.

Best luck finding an original screw. If no luck, let me know and I will do my best to help.
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Re: WTB Martin Bell Screw

Postby Ken Herrick » Fri Nov 09, 2018 12:31 am

I should have a full set of King screws and sockets which might do the job.

If you can post a couple clear pics with a ruler I could see if they would be the right size and get them to you pretty cheap.
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Re: WTB Martin Bell Screw

Postby hrender » Fri Nov 09, 2018 3:52 pm

I'd still like to get a matching Martin screw, but I'm starting to think that may be difficult. A substitution would probably be a good idea in the short term as I'd like to have three screws holding the bell. I’ll see if I can get a thread measurement this weekend.
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Re: WTB Martin Bell Screw

Postby YORK-aholic » Fri Nov 09, 2018 11:26 pm

I have a bell stack that I cannibalized but I don't think it had any original screws on it. I'll have a look, but I don't think so.
Some old Yorks, Martins and maybe a rotary CC King...
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Re: WTB Martin Bell Screw

Postby YORK-aholic » Sat Nov 10, 2018 5:20 pm

YORK-aholic wrote:I have a bell stack that I cannibalized but I don't think it had any original screws on it. I'll have a look, but I don't think so.


Nope, sorry.
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Re: WTB Martin Bell Screw

Postby hrender » Mon Nov 12, 2018 1:03 am

YORK-aholic wrote:
YORK-aholic wrote:I have a bell stack that I cannibalized but I don't think it had any original screws on it. I'll have a look, but I don't think so.


Nope, sorry.


I appreciate you looking.
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Re: WTB Martin Bell Screw

Postby hrender » Mon Nov 12, 2018 3:40 pm

So, here are the measurements I get:

Length of shaft: 9/16"
Threads: 1/4" x 20 (verified this)

I'd really like to get a matching Martin screw, but I'll consider other options.

Thanks for all of the replies.
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