Galvanized steel grid High strength; Against skid Excellent rust-proof property Free maintenance Aesthetic outlook Steel grating specification: Specifications of steel gratingsNoItemDescription1Bearing bar20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50…75x8mm, etc.2Bearing bar pitch25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc.3Cross bar5x5, 6x6, 8x8mm (twisted bar or round ...