Well not so fast on this....
there are some screws going around imitating the "real" screw
the "real" ones are alloy non magnetic and have a curved arc like top
the impostors are flat top and usually longer...some are alloy some are not
both type will fit the mirror
Pics:
1...the screws...."real" left two
2...the screws showing the top curve
3...body latch stub on door jam...original 70' 914-6
4...door latch removed from an original door
Click to view attachmentClick to view attachmentClick to view attachmentClick to view attachmentSo you decide...which do you have