<html><head></head><body><div class="ydp8cb3e052yahoo-style-wrap" style="font-family:Arial, Helvetica, sans-serif;font-size:16px;"><div><div dir="ltr" data-setdir="false">12-24 screws are available at McMaster-Carr.  But you gotta buy 50 of them.</div><div><br></div><div class="ydp8cb3e052signature"><div style="color: black; font-style: normal; font-size-adjust: none; font-weight: normal; font-stretch: normal; font-size: 12pt; line-height: normal; font-family: Arial, Helvetica, sans-serif;"><div style="color: black; font-style: normal; font-size-adjust: none; font-weight: normal; font-stretch: normal; font-size: 12pt; line-height: normal; font-family: Arial, Helvetica, sans-serif;"><div><font size="4">Dave <br></font></div><div><span style="font-size:10.0pt;font-family:sans-serif;color:black;"><br></span></div><br></div></div></div></div>
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                        On Wednesday, April 30, 2025 at 02:44:52 PM CDT, johnnybh <johnnybh@windstream.net> wrote:
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    <p>Hello,</p>
    <p><span>An 11/64 drill bit is 0.17185" in decimal, which is approximately the tap drill size (0.1770") for #12-24 thread.</span></p>
    <p><span>In this day and age I would also be tempted to try a metric screw.  A M5x1.0 would be closest.</span></p>
    <p><span>oldjohnny
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      <pre class="ydp6704aeb6yiv3273611131moz-quote-pre">-------- Original message --------
From: Roger Elliott <a href="mailto:elliottr@rmi.net" class="ydp6704aeb6yiv3273611131moz-txt-link-rfc2396E" rel="nofollow" target="_blank"><elliottr@rmi.net></a>
To: <a href="mailto:triumphs@autox.team.net" class="ydp6704aeb6yiv3273611131moz-txt-link-abbreviated" rel="nofollow" target="_blank">triumphs@autox.team.net</a>
Cc:
Bcc:
Date: Sun, 27 Apr 2025 18:20:35 -0500
Subject: [TR] Rocker Shaft locating screw
Anyone know what size the rocker shaft locating screw is? I just
received a rocker shaft that the screw will not go into.  Checked with
drill bits.  An 11/64 drill bit would go into old rocker shafts easily,
but not into the new one.

Shouldn't make any difference, but this is for a GT6 mark 1.

Thanks,
Roger Elliott
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