The track plate needs about 400 bolts, M3x8. Drill hole and press bolt
in place
Here’s an example of what a cheap little air die grinder can do in the workshop. One of the most useful tools you can have. Here I use it as a small tool post grinder. Handy to open out small hard parts like spring washers and bushes. Full review at: https://users.tpg.com.au/agnet/microgrinder.html