welded steel bar mesh diameter: 3--12mm aperture: 100x100mm, 150x150mm, 200x200mm etc ... steel bar mesh is extensively used for building construction, bridge building, tunnels building, highway and expressway building, mining support mesh, reinforcement trench, high building and ... 6m, 8m, 10m, 11.5m etc5-Australia standard reinforcing mesh: SL72, SL82 and RL series etc6-other specification available ...