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On Sat, May 17, 2014 at 11:49 PM, Brett Polivka brett@... wrote:I made a PCB drilling setup using a webcam and a custom base that bolts to the 140/S that will easily allow me to drill holes within 1mil accuracy, if not better. Between the 50/EF and the 140/S, there is so little runout that I’ve never broken a single carbide bit. I would highly recommend both of them.Thanks so much for mentioning this. My near vision went all to heck in the past few years and I've been having some serious trouble drilling my PCBs. I know already that this is going to be a huge help, and I'll be making my own rig before I do any more drilling.-p.