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Re: [Homebrew_PCBs] drill for micro drill bits

2013-03-14 by Mitch Davis

On Tue, Mar 12, 2013 at 11:36 AM, Jeff Heiss <jeff.heiss@...> wrote:
>
> I tried a Dremel, Dremel flex handpiece, and Marathon 35k RPM micromotor.
> All three have too much runout and the bit breaks in half.  Has anyone
> successfully drilled holes this small before?  Are there any suggestions for
> a drill or rotary tool that has low runout?

Our hackerspace bought a Proxxon for our CNC mill because the runout
on a Dremel is just so bad.  I don't know if we've done anything that
fine, but it's definitely a nicer piece of gear than the Dremel.

Mitch.

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