In a fixing assembly of two sheet metal parts (2) arranged parallel to each other and a planar component (4), which connects the sheet metal parts (2) and which is arranged at a right angle between the sheet metal parts (2), the component (4) is fastened to the sheet metal parts (2) by locking means (52, 52') opposite to each other on each of the sheet metal parts (2) in a direction parallel to the sheet metal parts (2) against a stationary stop (3) and can be brought into a locking position exclusively by a displacement in a direction parallel to the sheet metal parts (2), wherein the locking means (52, 52') have elevations (522, 521') extending from the sheet metal parts (2) toward the component (4) in a flexurally stiff manner, said elevations having locking edges facing the stop (3), wherein the sheet metal parts (2) are elastically deformable to such an extent that the component (4) can be transferred into the locking position over the elevations (522, 521') against the spring effect of the sheet metal parts (2). The invention further relates to a drawer having such a fixing assembly.