... Style:plain,serrated,I-shape,serrated-I shapeProcess: Steel grating mesh is made by Q235 low carbon steel welding load flat ... 32x5x3, 40x5x3 etcUS standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4 ... ''etc 2Bearing Bar Pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41 ... have any needs ,please contact me1.material2.surface treatment3.quantity4.mesh holefactory