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| Customization: | Available |
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| Structure: | Forge-Welding |
| Bench: | Multi Stair |
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Jiulong Galvanized Steel Grating Stair Treads with Anti-Slip Yellow Nosing GRP Landing Cover for Step Ladder and Steel Staircase Outdoor Usage
Stairtreads:
| Load Bearing Bar Pitch | Recommended Width | ||||||
| 30 | 125 | 155 | 185 | 215 | 245 | 275 | 305 |
| 40 | 125 | 165 | * | 205 | 245 | 285 | 325 |
| 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 | 38,50,76,100,101.6mm |
| 4 | Material | Q235,A36,SS304 |
| 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 |




