We don't know how many gadgets you're planning to hang up. You'll probably get a decent hold in the OSB board. Then, the screw holes on the rail are fairly close together.
We don't know how many gadgets you plan to hang up. You should probably get a fairly good hold in the OSB board.
Then, the screw holes on the rail are likely quite close together.
If you're going to hang something extra heavy, use molly expanders for double plasterboard.
Regular plastic plugs are probably worse than wood screws in the OSB board.