On 06/08/2010 15:02, RussellMc wrote: >> Somehow I think solarwind will be better off using a 1/8" drill, which >> is quite possibly more easily obtainable in a nearby hardware store than >> a 3mm or 3.2mm. > I'm glad I thought of that :-). > What a good idea. > 3.175 mm (exactly if true 1/8") > > R I guess USA not Metric yet? You'd get only metric bits in "ordinary" shops in Ireland now. Though=20 Plumbing fittings are still Imperial in our Kmph signed country yet=20 Metric in Mph UK since 1970s. So yes 1/8th or 3.5mm (3.2mm is a fancy "professional" size :) ) --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .