1. full range in type and dimention 2. applicable steel equipment 3. excellent quality of steel grating 4. reasonable price Heng Zhou 's steel grating can be used for platforms, sidewalks, billboards,walkways,stairway and ladders etc.Grating Dimension Bearing bar pitch(mm)12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100Cross bar pith(mm)38, 50, 76, 100, 101.6Thickness(mm) ...