[NSRCA-discussion] Cutting through side of metal carrying case?

[Pete Cosky]

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.

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On Jul 5, 2012, at 12:24 PM, "Pascoe,Tim [Burlington]" <Tim.Pascoe at ec.gc.ca> wrote:

> 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.
>  
> Timothy Pascoe 
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> From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Stuart Chale
> Sent: Thursday, July 05, 2012 9:28 AM
> To: General pattern discussion
> Subject: Re: [NSRCA-discussion] Cutting through side of metal carrying case?
>  
> 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.  
> 
> Stuart C.
> 
> 
> On 7/5/2012 8:55 AM, Pascoe,Tim [Burlington] wrote:
> 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 J
>  
> Thanks,
>  
> Tim Pascoe
>  
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