Fw: just what is 7/32"?

[Erwinpiano]

 Hi Jim

 Describe what is meant by Helix thread ,Please.

   Dale


----- Original Message ----- 
From: <JIMRPT@AOL.COM>
To: <pianotech@ptg.org>
Sent: Friday, April 20, 2001 10:45 AM
Subject: Re: just what is 7/32"?


> Ed;
>  7/32" = .21875.
>  Are the old graffs just as loose in the plate as the new ones?
> Are the old graffs double (helix?) threaded?
> Is the plate double (helix?) threaded?
> Have you 'tried' 1/4" graff?
> Jim Bryant (FL)