Well, the grip length needed is a hair under 105mm sheet metal outsides with EPS in… but I’m sure there a a couple mm squeeze left in the setup.. On the nut side is not much room….. not sure if I need to file the nut down to be able to fit a washer.. ( washer is 1.5mm thread pitch 1.25mm )
105+1.5+1.5+5 (4turns)=113mm
going to run with a 110mm and hope for the squeeze factor…