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Re: [Land-speed] Drilling teeny holes...

To: drmayf@mayfco.com, LSR <land-speed@autox.team.net>
Subject: Re: [Land-speed] Drilling teeny holes...
From: Dale Krumheuer <dmirror3@yahoo.com>
Date: Mon, 24 Sep 2007 19:05:03 -0700 (PDT)
I use a a Dremel type tool with small bits like you describe. Set the bit as 
far into the chuck as you can. Start slow until the bit begins to cut, then 
increase your speed. When you begin to apply pressure with the drill, watch the 
drill bit for any bend. If the bit bends while drilling, relax your pressure on 
the tool. Use cutting oils that are appropriate for the material that you are 
drilling. Lots of oil. Yes, as mentioned, forget about sharpening the bits, 
they are far too small to sharpen. 
I learned to drill from a clock and watch repairman. Buy plenty of bits, take 
your time and watch for any bend in the bit. They break easily and usually 
leave their broken bits deep in the hole you are trying to create.  Always wear 
 safety glasses, I usually wear my dime store reading glasses so that I can see 
the small stuff. 
Dale Krumheuer
Cleveland OH


drmayf <drmayf@mayfco.com> wrote: Other than very carefully, how does one go 
about drilling very small 
holes, holes on the order of 0.020 - 0.040 diameter? How do you chuck 
something that small? And I suspect that sharpening drills that small is 
not gonna happen. Can hardly see drill bits that small..

I would be drilling in aluminum.

mayf
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