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How about plugging the hole completely with lock N' Stitch
screws? Once the hole is filled it could be re-drilled and
re-tapped as original. If you are not familiar with Lock N'
Stitch screws, they are special metal fusing screws used for
repairing cast iron and have recently become a popular method of
repairing cracked plates. I successfully repaired a broken plate
about a year ago with these. Anyway, this may work. The link
specific to this product, ("L" series pins), is here:
http://www.locknstitch.com/AboutLSeries.htm
Lock N' Stitch also makes inserts specifically for repairing cast
iron screw holes. The link to this product is here:
http://www.locknstitch.com/inserts.htm
Rob Goodale, RPT
Las Vegas, NV
"Ray T. Bentley" wrote:
> Hi List! I have spent the past couple of hours working on a
> Steinway L from 1927 with a broken agraffe. It broke sometime
> while the family was on vacation. I have replaced a few of
> these in the past without incident. The problem: The remainder
> would not come out! It seemed to be fused to the plate. I
> tried everything including ez outs. I finally drilled it out
> using successively larger bits until it was mostly gone. I
> left the hole small so the new agraffe could "get a grip" as it
> turned. It turned in "very hard" seemingly resulting in a very
> tight fit. I put the strings back on. Just as it approached
> pitch the entire agraffe popped out of the hole. Enough for
> today! The lady is a sweetheart who has lived long enough to
> know that not everything goes as planned. The Question: Is it
> possible to shim the agraffe with the old metal pinblock
> shimming material to get a tighter fit. Is there a larger size
> thread on some agraffes that would fit tighter? Any
> suggestions from those who've been there, done
> that? Thanks! Ray T. Bentley, RPTAlton, IL "Live one day at a
> time, and make it a masterpiece!"
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