Posted: Mon Oct 29, 2012 3:48 pm
[quote="JPG40504"]I am currently one state south of 'normal', but IIRC they be 3/8" and are 3/8-16 thread. Also IIRC they differ from a 'normal' screw thread in that the 'end of thread' is undercut creating a shoulder that provides a positive 'stop' when tightened in the insert. If that second 'IIRC' is incorrect, that is the way they 'should' be!]
[ATTACH]18930[/ATTACH] is photo evidence that JPG is right on.
[ATTACH]18930[/ATTACH] is photo evidence that JPG is right on.