Drill three holes in the tang on the bowie ( one for a pin and a couple for epoxy) and a single pin/rivet hole in the tang on the fighter. You will probably want to put a single pin in both handles. ( BTW, There must be a hole in every tang if sending out for HT)
On the hunter, the rivet holes look a bit small. I usually recommend the tang holes be 25-50% larger than the pins that will be used. If using 1/4" pins, drill with a 5/16" bit, etc.
The knives look great, otherwise.