iirc the OD of the mount is about 1-15/64, which then you could use something similar to this with a little trimming & finishing: https://www.superiorcomponents.com/f...ers/17W12604-B
to go in between the two, & obtain two longer {thinking M3} screws. [ https://www.amazon.com/DYWISHKEY-Scr...0CSFL935M?th=1 ]