Connection system for connecting at least two, in particular plate-like, elements; arrangement comprising such a connection system

Arrangement comprising a connection system for connecting at least two plate-like elements, the connection system comprising a bolt, a nut that corresponds to the bolt and has a screwing channel which extends along a screwing axis and into which the bolt can be screwed, and a cage for receiving the nut, characterized in that the nut has a foot portion and a head portion adjoining said foot portion along the screwing axis, the foot portion projecting, at least in portions, beyond the head portion in a direction perpendicular to the screwing axis, wherein the foot portion has an upper side, wherein the upper side is configured to rest against a surface of the elements for connecting the elements, wherein at least one of the at least two plate-like elements has at least one hole, wherein the hole has a shape corresponding to the nut and/or to a base portion of the cage such that the cage, together with the received nut, can be introduced into the hole.