Homebrew PCBs

Dentist bits are 1/16".  PCB drill bit shanks are 1/8".  So you have to
insert a 1/8" diameter shank into a 1/16" hole.  Does the ER collet
accommodate this?

 

Jeff

 

  _____  

From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
On Behalf Of Boots Hughston
Sent: Tuesday, February 05, 2013 1:23 AM
To: Homebrew_PCBs@yahoogroups.com
Subject: Re: [Homebrew_PCBs] dental handpieces for copper clad drilling

 

  

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@...
<mailto:jeff.heiss%40comcast.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
> 
> [Non-text portions of this message have been removed]
> 
> 

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