With the fischer KD/KDH folding spring and tipping plugs, different components such as e.g. frames, lights and shelves in plasterboard and gypsum fiber panels, suspension plates and suspended brick and concrete ceilings. The long threaded rod allows application on plates and components of different thicknesses. Optionally available with screw head (KD 3+4), nut with washer (KD 5+6+8) or round hook (KDH 3+4+5+6+8). Thus, fischer KD/KDH can be used in a particularly versatile manner. The dowels are introduced into the pre-assembly in the perforation and expand on their own behind the plate. No special installation tool is required and allows quick and convenient assembly.