Grille fastening clamp, one-piece, for variable side fastening (grate gutter width 100 mm and lateral longitudinal wire spacing of 25 or 50 mm) and floor fastening of gratings, an additional central hole also enables suspension using a threaded rod M 10 (grate gutter width 300 mm), gratings of sizes GR 40.040, GRS 60.060, GRCI 50.050 and MTCG 50.100 have a variable fastening option. Fastening accessories must be ordered separately depending on the application. Can be used for: mesh cable trays with wire diameters of 3 mm - 5 mm and a central longitudinal wire spacing of 50 mm Dimensions (approx. dimensions): 54.5 x 35 mm Centre hole: Ø 11 mm Material: steel, strip galvanized in accordance with DIN EN 10346