twenty-two components are shown in this Xdvl 2016 (xdiavel) D240-00016 27a - Plate Holder exploded diagram.
In this schematic the "Screw" is used most often.
The most reasonably priced component used on the Xdvl 2016 (xdiavel) D240-00016 27a - Plate Holder is the Screw M4x8.
