Functionality

First module:

Slide at least four sliding nuts FSMN onto the mounting holes on the back of the module frame
Apply a drop of threadlocker before screwing in the serrated screws
Install at least two start/end clips FSMC S/E with one fischer serrated screw each on one side of the module
Install at least two middle clips FSMC M with one fischer serrated screw each on the opposite side of the module
Fix the start/end clips FSMC S/E to the building substrate using plugs, wood screws etc.
Fix the middle clips FSMC M to the building substrate using plugs, wood screws etc.

Middle modules:

Slide at least four sliding nuts FSMN onto the mounting holes on the back of the module frame
Apply a drop of threadlocker before screwing in the serrated screws
Screw the fischer serrated screws into the sliding nuts on one side of the module
Install at least two middle clips FSMC M with one fischer serrated screw each on the opposite side of the module
Attach the screws to the previous module using the lock-and-key principle and slide them in
Fix the middle clips FSMC M to the building substrate using plugs, wood screws etc.

Last module:

Slide at least four sliding nuts FSMN onto the mounting holes on the back of the module frame
Apply a drop of threadlocker before screwing in the serrated screws
Screw the fischer serrated screws into the sliding nuts on one side of the module
Install at least two start/end clips FSMC S/E with one fischer serrated screw each on the opposite side of the module
Attach the screws to the previous module using the lock-and-key principle and slide them in
Fix the start/end clips FSMC S/E to the building substrate using plugs, wood screws etc.

fischer self-locking screw serrated SKS M8 x 16 A4, stainless steel A4