What is holding the drywall in place? Do you tighten it until the head is below the the surface, like a normal DW screw?
It looks like the big threads near the head of the screw bite into the drywall and that is supposed to support the drywall, seems kinda scetchy to me.
It looks like the big threads near the head of the screw bite into the drywall and that is supposed to support the drywall, seems kinda scetchy to me.