The invention relates to a crimping press (1) comprising a clamping plate (2), a crimping tool (3) having a base plate (4), and an adapter (5), which can be detachably fixed to the underside of the base plate (4) using first retaining claws (5.2), wherein the adapter (5) is provided with an I-projection (5.1) at one end and can be immovably fixed to the base plate (4) in the area of the I-projection (5.1) using the first retaining claws (5.2), wherein the I-projection (5.1) can be inserted parallel to the longitudinal direction thereof into a groove (2.2) of the clamping plate (2) that is open on one side in the longitudinal direction and in the direction of the base plate (4), wherein the I-projection (5.1) has a lower height than the groove (2.2) in the direction of the base plate (4), wherein the I-projection (5.1) has a centrally provided hole (5.3) having a retaining cam (5.4) that projects into the hole parallel to the longitudinal direction, wherein the retaining cam (5.4) can be engaged with at least one second retaining claw (2.1) of the clamping plate (2), and wherein the base plate (4) can be pressed directly onto the clamping plate (2) by means of the second retaining claw (2.1) on both sides of the groove (2.2).