A component assembly comprising a sheet metal part and a nut element attached thereto, the nut element being arranged in an opening of the sheet metal part and being adapted to receive a bolt element having a shaft part with a thread and a head part of larger radial dimensions is wherein the sheet metal part has at least one hole adjacent to the nut element which is not covered over by the nut element but can be covered over by the head part of the screwed-in bolt element. A component assembly of this kind is in particular suitable for an oil pan since the oil can flow through the holes. A method is also claimed.