M.2
M.2
Confirming the situation: the screw head broke, but the threads remain in the stand-off. This is unusual—screws shouldn’t have any torque causing such damage. Would you like me to take out the stand-off? It might simplify the replacement process if the threads can’t be removed.
You need to push it through completely if you can't rely on another screw.
I wouldn't rely on drills for a motherboard. Instead, I'd use a foam tape to secure the drive in place.