... . Full ranges of gratings 3. Supplier of top 500 companies 4. Capability 6000M flooring steel gratingFlooring galvanized steel grating is the ... bar pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard ... : 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2 ... "x 1/4" etc.3Cross ...