Re: gEDA-user: PCB pin hole size

[Dan McMahill <dan@xxxxxxxxxxxx>]

On Fri, Jan 28, 2005 at 04:19:23PM +0100, Wojciech Kazubski wrote:
> > > Shold the specified diametr be the drill size or finished hole size?
> >
> > My fab shop says drill sized are ALWAYS finished size.  Only the fab
> > shop knows how thick their plating is.
> 
> So the footprint creation guide should contain a notice that:
> 1) symbols submited to pcb should have diametr of finished holes 
> 2) if fab shop requires drill sizes, it is up to user to enlarge all plated 
> holes by specified amount.
> 
> BTW: What sizes of holes are in use in US?

see http://pcb.sourceforge.net/pcb.html#Standard-Drill-Sizes

I added a big appendix to the manual which lists standard
drill sizes.  Its only in the cvs version of the manual, not
the last snapshot.

-Dan


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