... hook(where one hook can draw together. There are three clips for steel grating fixing , grating clip , saddle clip ... and serrated type bearing bar is 20 x 3 to 100 x 10; the specification of I-section ... 60.32, 80, 100 mm etc, also be according to client's requirement but 30, 40, 60mm are recommended. ... , 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America ...