Another thing to add, just expanding on deans point about extended wheel studs:
With your oem steel nuts and wheels there are approximately 5-6 turns before the nut is completely on.
When you change your wheel, this may change.
if this value is the same or less, it is definatley suggested that you get extended wheel studs. If the number of turns is around 8 or more it may be ok, but its your call.
Safety first
edit - replying to darryl
yes, the nuts rolled around when you tried to put them on the seat when the wheel was off. Definately not an ideal situation
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