An assembly comprising a first component, a second component, a hollow holding member and a threaded fastener, wherein the first component is connectable to the second component by means of the hollow holding member and the threaded fastener, the first component having a first socket with a first socket opening and a threaded bore extending from a bottom surface of the first socket, the second component having a second socket with a second socket opening, wherein the first socket opening and the second socket opening are configured to face each other when the first and second component (3, 4) are connected to each other, wherein one of the first socket and the second socket is provided with an inlet restriction, wherein the hollow holding member comprises a first portion arranged in the other one of the first socket and the second socket and connected to the associated first or second component (3, 4), wherein the hollow holding member comprises a second portion protruding from one of the first and second socket opening (9, 10) and configured to be inserted into the second or first socket (11, 8), respectively, via the other one of the first and second socket opening (9, 12) by relative movement of the first component towards the second component such that a top section of the second portion of the hollow holding member is passed by the inlet restriction under resilient deformation of the top section and/or the inlet restriction thereby achieving a connection between the first and second component (3, 4), and wherein the threaded fastener is configured to extend through the hollow holding member from the second component to the threaded bore of the first socket of the first component for engagement with the threaded bore such that the connection between the first and second components (3,4) is secured. wherein the first component is connectable to the second component by means of the hollow holding member and the threaded fastener, the first component having a first socket with a first socket opening and a threaded bore extending from a bottom surface of the first socket, the second component having a second socket with a second socket opening, wherein the first socket opening and the second socket opening are configured to face each other when the first and second component (3, 4) are connected to each other, wherein one of the first socket and the second socket is provided with an inlet restriction, wherein the hollow holding member comprises a first portion arranged in the other one of the first socket and the second socket and connected to the associated first or second component (3, 4), wherein the hollow holding member comprises a second portion protruding from one of the first and second socket opening (9, 10) and configured to be inserted into the second or first socket (11, 8), respectively, via the other one of the first and second socket opening (9, 12) by relative movement of the first component towards the second component such that a top section of the second portion of the hollow holding member is passed by the inlet restriction under resilient deformation of the top section and/or the inlet restriction thereby achieving a connection between the first and second component (3, 4), and wherein the threaded fastener is configured to extend through the hollow holding member from the second component to the threaded bore of the first socket of the first component for engagement with the threaded bore such that the connection between the first and second components (3,4) is secured.