Wing nut door lock is an accessory used in roll off containr’s door locking system for door’s tight closure. It usually welded on the side wall of container to fasten the door by securing with the bracket welded on the side of container’s door.This kind of wing nut door lock consists of standard thread screw, top bar, washer and flexible wing nut. In this assembly,screw and flexible wing nut thread through the bracket to work on the door, and the washer provides protection effect.
