is slipped on the right hand half of the first half shell 18 and of the second half shell 20 and can be crimped there producing the coaxial plug connector described is performed in the following way first the two half shells 18 20 are stamped and deep drawn subsequently the second metal sleeve 16 is inserted in the first half shell 18 and is flanged there then the first plastic body 30 is injected into the second metal sleeve 16 and the first half shell 18 and the second plastic body 40 is injected into the second half shell 20 afterwards a cable can be inserted in the crimping portion 39 of the inner conductor 36 and fixed there by crimping the inner conductor 36 thus prepared is then inserted in this condition into the mount 34 in the first plastic body 30 in such a manner that its arresting collar 38 rests at to step of the stepped bore of the mount 34 and the crimping portion lies in the receiving groove 35 the second half shell 20 is then placed on the fist half shell is by hanging the retaining lug 26 of the second half shell 20 into the cut out 24 of the first half shell 18 to this end the second half shell 20 is placed on the fist half shell 18 from above in oblique direction after having.