K/H disc brakes - hub replacement - studs

When I'm pressing the rotor onto the hub, I presume I am actually pressing the studs into the rotor and then pressing the studs/rotor (as a unit) into the hub? or is the rotor a "loose" fit?

Are the original studs swedged in place, or can they just be pressed out?

Originals were swedged. Can you see the hole and factory chamfer where the studs come through the hub?