... 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etcUS standard: 1''x3/16 ... -4, 19-w-2, 15-w-2 etc.3Twisted Cross Bar Pitch38.1, 50, 60, 76, 80, 100, 101 ... painted, spray coating6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar7StandardChina: YB/T 4001.1-2007, USA: ... , Australia: AS1657-1992, Japan:JIS Flattened Expanded Metal Mesh Steel Grating