Homebrew PCBs

They only reshape the tip.  The flutes don't actually wear in service.  Resharpened bits are a great deal for people like us.  They can't be used in the big machines when they get too short, but they are plenty long enough for manual operations.

Donald.
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----- Original Message -----

> From: "designer_craig" <cs6061@...>
> To: "Homebrew PCBs" <Homebrew_PCBs@yahoogroups.com>
> Sent: Thursday, February 24, 2011 5:03:55 AM
> Subject: [Homebrew_PCBs] Carbide PCB drill ?
> 
> Does any one know when the commercial guys have their carbide PCB
> drills sharpened do they just dress the tips or do they grind the
> flutes as well?
> 
> Just wondering if resharpened drills will drill a smaller hole after
> sharpening or are they just a little shorter.
> 
> Was thinking of getting some resharpened drills for the shop.
> 
> Craig