It really helps to have friends with amazing machinery.
In this case, it is my first time using a Maho milling machine.
I learned the basics and was able to use it to drill out the rivets for this worn rear wheel spline.
Although it could be done as an entire wheel, I de-laced the hub and it was much easier to handle. The hub will will get powder coated and new bearings, spokes and rim anyway.
Here are the various attachments. One was for making a center punch style hole, the other was to drill out the rivet.