Re: [Harp-L] Stan Harper needs 00-90 screws & nuts

[David Brown <nonidesign@xxxxxxxxx>]

Forgive me if this is diverting the main topic, but are the Hohner screws /
nuts used to replace soldered reeds on diatonics (available fro Hohner C
Shop)  the same as the ones mentioned in the previous post?


On Tue, Aug 20, 2013 at 1:32 PM, Joseph Leone <3n037@xxxxxxxxxxx> wrote:

>
> On Aug 20, 2013, at 1:35 PM, Winslow Yerxa wrote:
>
> > Richard Farrell had access to stuff that nobody else seemed to be able
> to get.
>
> Blackie Schackner and I turned Richard on to eyeglass screws. BUT...I'm
> sure we weren't the first to discover this. :)  Actually it started with
> sunglasses. Ray Bans used to have frames made on Mauritius island. I
> checked with my home town jeweler Frank Benesh and he was able to get
> almost anything tiny for work on watches and other jewelry. I sent an
> envelope of them off to Farrell. Actually it was the NUTS that were hard to
> get as most uses for these tiny screws were by THREAD-IN only.
>
> The main problem: The angle of chamfer to the BOTTOMS of the countersunk
> heads had to be less than normal. Sort of flat or gradual. That way when
> working on watch parts that have chassis assemblies where the stock is only
> 1 mm or so in thickness, the chamfer doesn't take up the entire MEAT of the
> stock leaving nothing remaining for threads.
> The rule of thumb for just about anything attached with machine screws is:
> TWO threads minimum.
> >
> > That said, you can get 00-90 countersunk screws and nuts from online
> suppliers. However, the diameter of the head is larger than the ones
> Farrell supplied (see what I mean?)
>
> Yes, I see exactly what you mean. You 'could' hold the screws in a small
> vise grip and twirl it against a file and take some of the diameter
> down...but best to find the small diameter in the first place.
>
> > which eats deeper into the reedplate when you countersink, leaving less
> of the reedplate's thickness to cut a thread to help hold the screw in
> place.
>
> Oh, right, I hadn't gotten this far and I (basically) said the same thing
> above.
> >
> > The ones I've been able to find come from J. J. Morris Co., in
> Southbridge, MA.
>
> Right again Wizard. Morris is right in the heart of what used? to be the
> American watch and clock industry.
>
>
> Good post Winslow. Very helpful. I didn't have the source material any
> more. Thank you so much.
> smokey joe
> >
> > http://www.jimorrisco.com
> >
> > Screw: part # F0090CE094 00-90 x 3/32 screw, stainless steel
> >
> > Nut: Part @N0090B 00-90 brass hex nut
> >
> > Winslow
> >
> > Winslow Yerxa
> > Author, Harmonica For Dummies, ISBN 978-0-470-33729-5
> >             Harmonica Basics For Dummies, ASIN B005KIYPFS
> >             Blues Harmonica For Dummies, ISBN 978-1-1182-5269-7
> > Resident Harmonica Expert, bluesharmonica.com
> > Instructor, Jazzschool for Music Study and Performance
> >
> >
> > ________________________________
> > From: Richard Sleigh <rharp@xxxxxxxxxx>
> > To: harp-l@xxxxxxxxxx
> > Sent: Tuesday, August 20, 2013 6:15 AM
> > Subject: [Harp-L] Stan Harper needs 00-90 screws & nuts
> >
> >
> > When I was at the SPAH convention, I learned an interesting bit of harp
> tech history. Stan Harper told me that in the late forties he was getting
> his eyeglasses repaired and when he looked at the screws they were using,
> he realized that you could use them for harmonica reeds. He later told this
> to Richard Farrell, and Richard bought te thousand or so of these 00-90
> screws and nuts in counter sunk and filister head styles, along with the
> nuts.
> >
> > The Farrell rivet tool and the 00-90 screws were originally marketed to
> the chromatic harmonica community, but also became the main solution for
> reed replacement for the first generation of diatonic harmonica geeks. I
> started using them in the eighties after i discovered Richard Farrell
> through Pierre Beauregard.
> >
> > Anyhow, Stan told me that he ran out of screws and is looking for a
> place to get them.
> >
> > I am going to send him the few I have, but if any of you folks have some
> 00-90 counter sunk stainless steel screws that you are not using. please
> contact me off list, I'd like to get some put together for Stan.
> >
> > PS - SPAH was really great this year - more on that later...
> >
> >
> >
> >
> > Richard Sleigh
> >
> > P.O. Box 23
> > Boalsburg PA 16827
> >
> > Join my list & get entertaining emails and special offers- go to
> http://rsleigh.com/ on the left hand side, give me your name & email &
> you're in!
> >
> > http://www.rsleigh.com
>
>
>