<html><head></head><body bgcolor="#FFFFFF"><div>I use hole saws. They are used by electricians for conduit and nipples in various sizes. They make really nice clean holes. Also, I cover the area I want to drill with masking tape so I can make my center mark(s) without worrying about the texture on the aluminum.<br><br>Sent from my<span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); "> mobile device</span></div><div><br>On Jul 5, 2012, at 12:24 PM, "Pascoe,Tim [Burlington]" <<a href="mailto:Tim.Pascoe@ec.gc.ca">Tim.Pascoe@ec.gc.ca</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><meta name="Generator" content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"><span style="color:#1F497D">Mainly the holes for a cooling fan, and power. Drilling is no obstacle of course, but with the larger cut-outs, I want to avoid damaging the aluminum skin. The punch would be great, if I could get my hands on one.<o:p></o:p></span></p><p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p><div><p class="MsoNormal"><span style="color:navy">Timothy Pascoe <br></span><span style="font-size:7.5pt;font-family:"Comic Sans MS";color:navy">Environmental Scientist<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Comic Sans MS";color:navy"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Comic Sans MS";color:red">Yak Shaving - Any seemingly pointless activity which is actually necessary to solve a problem which solves a problem which, several levels of recursion later, solves the real problem you're working on<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Times New Roman","serif";color:#1F497D"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:purple">Environment Canada / Environnement Canada<br>Canada Centre for Inland Waters / Centre Canadien des Eaux Intérieures<br>867 Lakeshore Road / 867, chemin Lakeshore<br>Burlington, Ontario / Burlington (Ontario)</span><span style="color:navy"> <br></span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:purple">L7R 4A6<br><br></span><span style="font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:green">Tel/Tél: (905) 336-6239<br>Fax/</span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:green">Téléc</span><span style="font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:green">: (905) 336-4609<br>E-mail/C. élec: </span><span style="color:navy"><a href="blocked::mailto:tim.pascoe@ec.gc.ca" title="mailto:tim.pascoe@ec.gc.ca"><span style="font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:navy">tim.pascoe@ec.gc.ca</span></a><br></span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:navy">Government of Canada/Gouvernement du Canada</span><span style="color:navy"> <br></span><i><span style="font-size:7.5pt;font-family:"Comic Sans MS";color:gray">This e-mail represents the opinions and views solely held by its author and in no manner may be considered as representing those of his/her employer.</span></i><span style="color:#1F497D"><o:p></o:p></span></p></div><p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p><div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a> [mailto:nsrca-discussion-bounces@lists.nsrca.org] <b>On Behalf Of </b>Stuart Chale<br><b>Sent:</b> Thursday, July 05, 2012 9:28 AM<br><b>To:</b> General pattern discussion<br><b>Subject:</b> Re: [NSRCA-discussion] Cutting through side of metal carrying case?<o:p></o:p></span></p></div></div><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal" style="margin-bottom:12.0pt">Not sure what size holes you want, but small ones just use a drill. For larger, buy or borrow electrician's knockout punches. That is what they would use to make a hole in an electrical panel for new conduit. I have a neighbor who is an electrician and has a pro hydraulic set that I borrowed. Very cool, requires you to drill a pilot hole but then the punches cut through sheet metal like butter. <br><br>Stuart C.<br><br><o:p></o:p></p><div><p class="MsoNormal">On 7/5/2012 8:55 AM, Pascoe,Tim [Burlington] wrote:<o:p></o:p></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal">I’m in the process of putting together a field charging case, and want suggestions on the best way to accurately cut holes in the sides of an aluminum carrying case. Since I’m sure others have gone before me, I’d rather not do it the hard way the first time <span style="font-family:Wingdings">J</span><o:p></o:p></p><p class="MsoNormal"> <o:p></o:p></p><p class="MsoNormal">Thanks,<o:p></o:p></p><p class="MsoNormal"> <o:p></o:p></p><p class="MsoNormal"><span style="color:navy">Tim Pascoe </span><o:p></o:p></p><p class="MsoNormal"> <o:p></o:p></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><br><br><br><o:p></o:p></span></p><pre>_______________________________________________<o:p></o:p></pre><pre>NSRCA-discussion mailing list<o:p></o:p></pre><pre><a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><o:p></o:p></pre><pre><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><o:p></o:p></pre><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><br><br><br><o:p></o:p></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">No virus found in this message.<br>Checked by AVG - <a href="http://www.avg.com">www.avg.com</a><br>Version: 2012.0.2193 / Virus Database: 2437/5111 - Release Date: 07/04/12<o:p></o:p></span></p></blockquote><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><o:p> </o:p></span></p></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>NSRCA-discussion mailing list</span><br><span><a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a></span><br><span><a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a></span></div></blockquote></body></html>