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 --
