Screw size for mounting an orig elec red box?

[22/2]

Having not looked before the scoot went to the painters, and the red box was not fitted when I took it apart can anyone tell me the size of the screws to mount it?, also are the holes threaded or is a nut on the back?

Tanks in advanc.

Rich

[joey]

standard 6mm bolts....good look with rebuild.........