Hollow core anchor with internal thread for anchoring, for example, cable tray constructions, pipes, suspended ceilings, wooden constructions, etc. on walls and ceilings made from stressed concrete hollow-core slabs in indoor and outdoor areas. With an edge to prevent the anchor from being pulled in. When the fastening screw is screwed in the expansion sleeve is spread open through the cone and tightens against the drill hole walls. Fire-safety tested, fire protection class R 120 according to European Technical Assessment ETA-21/0857.
