I have 1990s Shiman Deore XT cantilever brake pad holder shoes with smooth studs. I believe these are "M Type" cartridges/inserts. The replaceable inserts slide in and are held in place by a screw / ...
The SM-RT53 rotor should be used together with resin pads. If it is used with metal pads, the pads will wear out very rapidly. from Shimano BR M-416 disc brake manual Which rotors work well ...