Hook screw with M 6 thread, including toothed special flange nut similar to DIN EN 1661, for fastening the mesh cable trays to brackets, to mesh cable tray hanging posts and to joint connectors. For use in functional maintenance, please observe additional regulations! Can be used for: mesh cable trays up to a maximum wire thickness of 6 mm Dimensions (approx. dimensions) Thread: M 6 Thread length: 15 mm Flange nut: Ø 17 mm Material: steel, galvanized in accordance with DIN EN ISO 4042, blue passivated.