Heres what i use to line up nuts that need welded to an item and the bolt has to line up nice. Its a turned down shaft with the id of the nut on the end with the dia of the hole on the bigger end. Works perfect and i have them from 1/4" to 2"...Bob
Bob Wright
Metal Master Fab
Salem Ohio
Birthplace of the Silver and Deming drill bit.
5 Lathes, SBL Shaper, Lewis Mill, 7 drill presses, 5 welders...