used for fastening a steel at a befestigungsstange a contract for building, and several befestigungsstangen system, at least 2 and at least one randnetz is characterised by the fact that the useda casing (1) in the wall of the tube, and (1) at least one radial through hole (2) is introduced.on the outward wandungsseite the casing (1) to the positions of the holes (2) each have a stoffschlu00fcssig with the wall of the mother (3) with a innengewinde in at least the outer diameter of which the bore diameter which should innengewindes mother (3) tspricht;- at least one screw (4) with an eyelet (4.1) as schraubenkopf has with the thread (4.2) of the screw (4) locking in the innengewinde einbringbar; andon the surface of the casing (1) at least one of the sleeve (1) stoffschlu00fcssig radially outwardly of the stahlseilhalteeinrichtung (5) which, for each of a position in a circumferential angle in the holes (2) is arranged.
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