<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1400" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Hi Terry,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>You're doing the entire set?  = Drilling and tapping blind holes in cast iron is REALLY going to get old = fast.  7/32 and 1/4 are too close in size for you to do this if the thread = pitch is not identical between the two sizes!  If the pitches are = different, you will end up with really awful threads, and you will likely = break off the tap in one of the holes.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>If you can find a die of this mystery size, and if the thread pitch is the same as with the 1/4", you = could probably reduce the 1/4" threading to the right size.  (Brass is = pretty easy to cut.)  This approach is going to get really old, too, but = at least you don't risk any more than an agraffe from a jammed or broken tool.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>~or~</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Is it possible to get some agraffe = manufacturing company to mill you a set of custom ones?  You'll pay a bit of = money for them, but I bet it would be well worth it.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Peace,</FONT></DIV> <DIV><FONT face=Arial size=2>Sarah</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV>----- Original Message ----- </DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=mfarrel2@tampabay.rr.com href="mailto:mfarrel2@tampabay.rr.com">Farrell</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, July 27, 2004 = 10:08 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Odd Agraffe Size</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>I wish to replace a set of agraffes = on an 1890s Knabe grand. It appears the thread diameter is slightly larger than a = standard 7/32" agraffe. I suppost others have run across this odd thread size? = If so, any solutions? Are replacements available anywhere? Drill and tap for 1/4"?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Thanks.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Terry Farrell</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2><A = href="http://www.farrellpiano.com">www.farrellpiano.com</A></FONT></DIV= ></BLOCKQUOTE></BODY></HTML>