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.