I *think* I need a:
Male or 3/4 x 12 to 5/8 x 27 female adaptor.
The vintage mic clip has the 3/4 female end, the standard mic stand had the standard male end. I need something to make the standard 5/8 male end bigger (3/4)
The vintage mic clip has exactly 1/2 thread depth, and I count 6 grooves.