2. Screw the clip onto the decking board
Turn the decking board upside down and attach the clips to the underside of the decking board, slightly offset.
The clip, which is later screwed into the substructure, must always be attached to the decking in the position that will later cross the substructure. This is not necessary for the clip, which is pushed under the row of floorboards that have already been laid. However, the clip that is pushed under should not be more than three centimeters away from the next substructure.
Screw the clips to the underside of the decking board using two of the shorter screws each. The screws are self-drilling and do not necessarily need to be pre-drilled. With very hard wood, however, you can significantly reduce bit wear by pre-drilling.