Container system

A container system includes first and second separate container bodies and a connector for holding the container bodies together as a container sub-assembly. The container bodies each define an external connector passageway which are aligned co-axially for assembly. The connector is a hollow screw with a threaded shaft which passes through the passageway of a first container body and engages with a thread in the passageway of a second container body. The connector has a head which engages the first container body to clamp the container bodies together as it is tightened. The sub-assembly is affixed to a supporting structure by a fastener having a threaded shaft which passes through the connector to engage a threaded mounting formation on the structure and a head which engages the head on the connector to clamp the connector to the mounting formation.