Homebrew PCBs

You can use an ER collet reducer, I use one on my mill.

Boots-2b1

Sent from my iPhone

On Feb 4, 2013, at 9:08 PM, "Jeff Heiss" <jeff.heiss@comcast.net> wrote:

> Dental handpieces (aka dental drills) would be a great way to run small
> drills for the #60 - #80 range. They run at 350,000 RPM, are available on
> Ebay, and cost $16. The issue to solve is they take 1/16" bits and the
> shanks of our micro drills are 1/8". I have not been able to think of a way
> to make an adapter. Has anyone used a dental handpiece for drilling before?
> Are there any types of handpieces that use 1/8" bits?
> 
> Jeff
> 
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> 
> 


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