| No | Item | Description |
| 1 | Bearing bar | 25x3, 25x4, 30x3, 30x4, 30x5, 32x5, 40x5, 50x5, ...75x10mm |
| 2 | Bear bar pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60mm. US standard: 1" x3/16" , 1 1/4" x3/16" , 1 1/2" x3/16" , 1" x 1/4" , 1 1/4" x 1/4" , 1 1/2" x 1/4" etc. |
| 3 | Cross bar pitch | 40, 45, 50, 76, 100, 101.6mm etc |
| 4 | Material | ASTM A36, A1011, A569, Q235, 275... |
| 5 | Surface treatment | Black, hot dipped galvanising, paint |
| 6 | Standard | China: YB/T 4001.1-2007 |
| USA: ANSI/NAAMM(MBG531-88) |
| UK: BS4592-1987 |
| Australia: AS1657-1985 |
| 7 | Grating Bar Type | Serrated, Plain or I bar surface |
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