[CAUT] steinway pedal plate screws

[David Skolnik]

Ken -
I am grateful for your response, so it likely seems odd, or tiresome 
that I would challenge you on this, and the fact that you have found 
a quick and effective means of addressing the problem is really the 
relevant point.   It becomes little more than a quirky footnote that 
the screws (all three) from my model O #160774 are not 28 tpi, but 
something slightly more.  I did speak to someone in the trade 
(screws) who gave me reason to believe that there still are some 
12x28's out there, but it would be of little use to me, had I the 
need for a replacement.  Thanks again for sharing your 
suggestion.  I'd just hate to be the unfortunate technician who, 
someday, goes to tighten those pedals, only to find he lacks the 
proper hex tool.  One more item to start packing in.

Regards,

David Skolnik
Hastings on Hudson, NY


At 11:28 AM 7/25/2008, you wrote:
>Hey, David,
>
>I've been gone this week, so I'm just now replying.  I went through 
>this a while back.  Those are 12x28 machine screws.  I found a 12x28 
>tap at the hardware store (that's how I confirmed the size), but 
>nobody makes 12x28 screws any more.  I bought a 1/4x28 tap and a #3 
>drill and replaced the originals with a hex head cap screw.  Quick 
>job, works great.
>
>Regards,
>Ken Z.
>
>
>On 7/24/08 2:01 PM, "David Skolnik" <davidskolnik at optonline.net> wrote:
>
>Tom & friends,
>I have devoted an unconscionable number of hours to this pursuit, to 
>no avail.  The screw dimensions are .2125" (5.4mm)
>iameter and 28+ tpi.  There must be someone who knows the history of 
>this screw, why these dimensions were employed and when it might 
>have changed.  At this point it seems a matter useless curiosity, 
>nothing more.  Thanks
>
>David Skolnik
>Hastings on Hudson, NY
>
>--
>Ken Zahringer, RPT
>Piano Technician
>MU School of Music
>297 Fine Arts
>882-1202
>cell 489-7529
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