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: 1.25 x .625 DOM, will 3/4-16 tap work anthony_harris 02-25-2002, 06:02 PM The drill size for 3/4-16 tap is .6875 in. but the tubing ID is .625in. Will the tap take out the extra .0625 or do I have to drill it? Has somebody tried to just tap it? I would drill it anyways but I don't have a lathe. Old Scout 02-25-2002, 06:30 PM And why not just use a 11/16 drill bit?:confused: anthony_harris 02-25-2002, 06:38 PM I don't think I can get it straight enough by hand. Old Scout 02-25-2002, 06:41 PM Originally posted by anthony_harris I don't think I can get it straight enough by hand. but your going to tap it by hand aren't you ? The drill bit will self center. anthony_harris 02-25-2002, 06:49 PM Alright, I'll try it on a scrap piece first to make sure, thanks. EasyXJ 02-25-2002, 07:57 PM with the small amount of material that you're taking out, the drill bit won't have any choice but to follow the hole. You'll be fine. Don't forget cutting oil when you tap, it sure makes it easier. Easy | |