Olin, For homebrew, people like to use a very small drill size. This just gives them an accurate center for hand drilling and is not related to the actual size required. Remember--the home brew folks are generally _not_ using plated thru holes. Bob Ammerman RAm Systems ----- Original Message ----- From: "Olin Lathrop" To: Sent: Tuesday, November 19, 2002 8:08 AM Subject: Re: [EE]: eagle question ... > > It's the tools/DRC/restring specifications. There is a situation when > > changing the drill diameters in brd are very important, assuming you > plan > > production and first time you need to create a homebrew pcb and then > > production. This means you need two different libraries, because for > > homebrew board the drill diameter it's really small and used just for > > drill steerage but for production the drill must be the real one. > > I don't understand. Whether homebrew or not, the pins must still fit into > the holes. Also, if you are drilling the holes yourself, you can use any > drill bit you like. The DRD and DRL files wouldn't be any use unless > you've got your own NC drilling machine. > > > ***************************************************************** > Embed Inc, embedded system specialists in Littleton Massachusetts > (978) 742-9014, http://www.embedinc.com > > -- > http://www.piclist.com hint: The list server can filter out subtopics > (like ads or off topics) for you. See http://www.piclist.com/#topics > > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics