<!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 6.00.2800.1555" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>The shaft end is. Thus the female part of the head, not the tip.</FONT></DIV> <DIV><FONT face=Arial size=2>There are two 1/8" pipe threads One tapered side the other straight.</FONT></DIV> <DIV><FONT face=Arial size=2>Standard usage in piano hammers is the tapered thread. This thread over time can fail if the user does not notice the looseness, and tighten the conection.</FONT></DIV> <DIV><FONT face=Arial size=2>This joint is also where most of the flex is in the tool.</FONT></DIV> <DIV><FONT face=Arial size=2>My hammers use a straight thread and a mating platform at the head/shaft that reduces flex. Along with a 1/2" hex shaft making it a very responsive lever for the user to feel the movement of the tuning pin.</FONT></DIV> <DIV>Joe Goss RPT<BR>Mother Goose Tools<BR><A href="mailto:imatunr@srvinet.com">imatunr@srvinet.com</A><BR><A href="http://www.mothergoosetools.com">www.mothergoosetools.com</A></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=mkurta@roadrunner.com href="mailto:mkurta@roadrunner.com">Michael Kurta</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech List</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, April 09, 2008 1:21 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Tuning Tip Threads</DIV> <DIV><BR></DIV> <DIV><FONT face=Tahoma size=2>    Joe, aren't some levers and heads threaded to 1/8" pipe?</FONT></DIV> <DIV><FONT face=Tahoma size=2>    Mike Kurta  </FONT></DIV></BLOCKQUOTE></BODY></HTML>