By Huu Khanh Nguyen · Updated October 27, 2026 · stair, tread
An open steel bar grating step with a nosing angle at the front and side plates at both ends, for industrial and access stairs.
| Name | Default | Unit |
|---|---|---|
| Width (across the flight, x) | 800 | mm |
| Going (nosing to nosing, y) | 230 | mm |
| Overhang Beyond The Going | 10 | mm |
| Thickness (bar height, z) | 30 | mm |
| Bearing Bar Thickness | 2 | mm |
| Bearing Bar Pitch (largest, centre to centre) | 34.33 | mm |
| Cross Bar Pitch (centre to centre) | 38.1 | mm |
| Nosing Angle Depth | 31.75 | mm |
| Side Plate Thickness | 3 | mm |
| Finish | white |