A multi-part expansion anchor (11) has, as a first part, an expansion sleeve (31) which has, as its elements, several expansion tabs (35) that are separated from each other by elongated slots (34) and has, as a second part, an expansion body (21) that can be pulled into the expansion sleeve (31), and a conical portion (22) for purposes of radially widening the expansion sleeve (31). The conical portion (22) has, as its elements, edges (24) running along the longitudinal axis (13). One of the parts of the expansion anchor (11) has an even number of appropriate elements, while the other part of the expansion anchor (11) has an odd number of appropriate elements.