The later splined studs will press in but are too short because of the top hat section. They can be made to fit quite easily be making a counter bore in the back side of the hub. IIRC the top hat section on the later stud even has a tapered face on it so a standard drill bit does for making the counterbore.
On my hubs with screw in studs I put a tack weld on the rear face to stop them spinning.
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