Galvanized steel grating High strength; Against skid Excellent rust-proof property Free maintenance Aesthetic outlook Galvanized 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 ...