No, no, no. The studs on many front hubs are "swedged" which is the same difference as riveted.
You need to cut the "rivet" or "swedge" off from the stud. You can buy cutter tools for this purpose.
Are you "Miking" these drums for size? You may be wasting your time, as surely "most" used drums off cars this old are close to the toss dimension, anyhow.