After drilling out the old rivits, I useg spring clamps to hold everything tight, starting from the center and drilled holes for the rivits with a 3/16" bit.I then flipped it over and used an end mill and drilled 1/8" deep. I used my milling machine but the same can be done with a drill press.
McMaster-Carr rivit part number is: 97451A671
Brake lining part number is:6175k138
(non metalic 1/4" X 2-1/2" wide)
The tool number is: 6667A2