Chris Allingham: I just got an email notice that you replied to this thread and quoted me. For some reason, the post is not showing up in the thread for me.
Those studs are part of the end cap. The nuts are self cutting nuts. The nuts you want a 7/16" head x 1/4" shank. https://www.amazon.com/exec/obidos/ASIN/B0041C6LYW/tvwb-20 I just bought a box of these as replacements on my Summit 450 and I don't like the fit. It's sloppy, not precise like...