FWIW Whitworth bolt heads are the same size as metrics. It would not surprise me if the diameters were metric as well. I have nothing anymore to check for thread pitch but I'm guessing that would be TPI. And metric threads are the 55deg thing too. At least on bikes and motorcycles. Sorta like one from column A, one from ..................
have another day
Dr.WtS
Thanks Wonk it's great to hear from you again. I know you are likely in pain because of Hillary's loss, but at least you haven't gotten on TV like these lame brain has beens and never wases to tell the Electors how to vote and blame Hillary's loss on the Russians and not the voters.
By the way I have converted from Browning to Italian style O/Us. I hate to admit it but you influenced me.
