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Product description
We produce complete steel ladders with hand railings, which are made of grating treads. We do finish the welding over steel ladder stringers and treads before carrying on the galvanized, which avoids possibilities of spoiling he galvanized coat.
Our exciting and refreshing design concepts enhance looks and safety, whilst reducing product damage and wastage, resulting in real cost savings to our clients in various finishes and materials. A range of standard stairtreads are available ex stock in various finishes to reduces costs and access time.
According to the anti-slip requirement and the method of mounting to stringer, steel treads are classified into four types.
T1: No anti-slip requirement for welding ladder stringers
T2: No anti-slip requirement for connecting with ladder bolts
T3: Anti-slip requirement for welding ladder stringers
T4: Anti-slip requirement for connecting with ladder bolts.
Max. Stair tread lengths
| Bearing bar section
Steel grating specification | 25*3 | 25*5 | 32*5 |
| Bearing bars at 30mm pitch | 550 | 900 | 1300 |
| Bearing bars at 40mm pitch | 450 | 750 | 1200 |
Recommended stair tread width
| T1,T2,T3,T4 Bearing bar at 30mm pitch | 95 | 125 | 155 | 185 | 215 | 245 | 275 |
| T1,T2 Bearing bars at 40mm pitch T3,T4 |
| 125 | 165 |
| 205 | 245 | 285 |
|
| 115 | 155 |
| 195 | 235 | 275 | |
| Fixing hole centers | 45 | 75 | 100 | 150 | |||
Stair Treads
