... bearing bar size and mesh size 2. Largest production capability 3. Best Price 4. Reliable manufacturer 1. Comprehensive type and ... , BS4592, AS1657, JS31011.3 Grating Dimension Load Bearing Flat Bar sizeThickness≥3mm, depth ≥19mm19X3,19X5,20X3, 20X5, 25X3, ... .4 Grating type: Bearing bar: Plain type, Plain I type, Serrated type, Serrated I type; Cross bar: Round cross bar, Square twisted cross bar.1.5 ...