kpax
Sr Member
You could just use a brass screw and make the escutcheon nut from a brass nut. Prob 1/8 inch is fine.
Turn it round with a drill and file.
www.brownells.com
Turn it round with a drill and file.

ESCUTCHEON SCREWS | Brownells
For pistol grip escutcheons. Escutcheon head countersunk for screw head; nut is round, milled edges (as is head), slightly countersunk on one side for attractive outside appearance when installed. Solid stainless steel, end won't rust after being ...