[sdiy] embarrassing noob needs to mount some pots

[harrybissell at wowway.com]

Try "brad-point" drills that are reverse cut for thin sheetmetal...
they look like some wood boring bits. Those can work too if they are really
sharp... the drill cuts the outside edge first.

H^) harry




On Mon, 9 Mar 2009 23:46:52 +0000, Tom Wiltshire wrote
> Horton,
> 
> On 9 Mar 2009, at 22:15, Horton wrote:
> >
> > I'm in the middle of a project and suddenly I need to mount a punch of
> > pots and switches into a typical plastic project enclosure. I have no
> > idea where to begin! What's up with the nuts, and that little tab
> > sticking out of the pot body? Should I ground each pot to the metal in
> > the case in addition to the ground bus on the PCB? How? What size
> > drill bit do I use to make the holes, and how do I secure the pot body
> > against the frame of the enclosure anyway? I need all this basic info.
> >
> 
> If you're drilling holes in plastic enclosures, I've found it helps  
> to start small and work up. If you go straight in with a large drill  
> (say 10mm, about 4/10th inch) you risk the drill snagging in the 
>  hole. I shattered a plastic enclosure that way once, and I've 
> messed  up a few holes more by being impatient. It's much worse with 
> blunt  drills!
> 
> Regards,
> Tom
> 
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Harry Bissell & Nora Abdullah 4eva