E-Z LOK EZ-329-6 3/8-16 solid insert repair kit

Check compatibility
EZ-329-6 accepts a 3/8-16 fastener. The solid insert's 9/16-12 exterior determines the mating hole preparation and tools in this particular system.
Questions before ordering
Is the 9/16-12 tap size the thread of my bolt?
The tap matches the outside of the solid insert. The original fastener engages the 3/8-16 inside thread.