Msphysics, screw nut on a bolt.?

[Wicster]

I can do gears but I can't do a bolt and a nut, so I'm wondering if any one else had manage to do it.

Is a bolt and a nut doable in msphysics, can the nut turn on the bolt.?
Like screw nut on the bolt and unscrew the nut from the bolt.