Originally Posted by
base2
If ever it comes to mounting 2 things to the same bolt, I like to treat the bolt like a stud. Bolt through the frame from the backside. Then the rack, & an m5 nut to hold it all tight/secure. Then, on the remaining exposed bolt threads, install the fender bit & another nut to hold the fender bit on.
I like this idea, especially if OP plans on loading his Nice Racks(tm) to their limit.