Originally Posted By mccannix
Since you have the seldom seen adapter ring with the nuts welded on top, they take the larger thread bolt ( your style shown on right, smaller thread more common underside nut on left ).



Why were there 2 different styles used, early and late or was the large nut set up not a good design ?. How did the nut get attached to the ring, was it crimped or fusion welded. And how would be the best way to reattach these. I am in need of 3.

Thanks
Dan.