... ,Painted Zinc serrated steel gratingWe have Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely ... type bearing bar is 20 x 3 to 100 x 10; the specification of I-section type ... 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement but ... Bar Pitch (center to center): 38, 50, 76, 100, 101.6mm etc, also be according to client's ...