<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div>HI Sujit,<div class=""><br class=""></div><div class="">When I did this on the block of my TR8 engine, I got a piece of 1/2” plate aluminum and drilled a hole the right size with my drill press. The used the plate as a guide. That, with some carefully drilling seemed to be enough.</div><div class=""><br class=""></div><div class="">-Darrell</div><div class=""><br class=""></div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Dec 3, 2020, at 10:39 AM, Sujit Roy <<a href="mailto:triumphstag@gmail.com" class="">triumphstag@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">What is the best way to drill a perpendicular hole for an insert?<div class="">I'm using a 7/16-20 time sert. I need to drill a perpendicular hole in the captive nut. The dril I need to use is 29/64. Should I start with drilling smaller diameter holes and then end up with the 29/26? </div><div class="">Im thinking of drilling a perpendicular hole in a piece of wood in my drill press and then using that as a guide.</div><div class="">Any recommendations please. The last time I used an insert, the hole wasn't perpendicular. </div><div class=""><br class=""></div><div class="">Sujit<br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class="">Sujit Roy<br class="">Cupertino, California</div><div class=""><br class=""><a href="https://triumphstagblog.wordpress.com/" target="_blank" class="">https://triumphstagblog.wordpress.com/</a><br class=""><br class=""></div></div></div></div></div>
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