Our stair tread is available with six types, indicated as T1, T2, T3, T4, T5, and T6, respectively. It can be designed with or without front guard plate, and comes with different connection methods. From an economic viewpoint, we recommend the specifications shown as below. Also, we can customize the stair risers according to the client's actual needs.
No Nosing | Checkered Plate Nosing | Non-slip Plate Nosing | |
Welded Fixing | |||
Bolted Fixing |
T1, T2, T3, T4, T5, T6Centre Distance of Flat Steel: 30mm | 95 | 125 | 155 | 185 | 215 | 245 | 275 |
T1, T2, T5, T6Centre Distance of Flat Steel: 40mm | 125 | 165 | 205 | 245 | 285 | ||
T3, T4Centre Distance of Flat Steel: 40mm | 115 | 155 | 195 | 235 | 275 | ||
Centre Distance of Bolts A (mm) | 45 | 75 | 100 | 150 |
Remark: Thickness of Flat Steel: 5mm
Flat Steel SizeSpecifications of Steel Grating | 25x3 | 25x5 | 32x5 |
Centre Distance of Flat Steel: 30mm | 550 | 900 | 1300 |
Centre Distance of Flat Steel: 40mm | 450 | 750 | 1200 |
Tolerance of Stair Tread: Anti-slip front guard plate, Checkered front plate