Stair Stringer Bolt-On Concrete - 15 Step for a Pair (2 Piece)
Install a secure bolt-on concrete staircase with a matching pair of steel stringers for 15 steps. These galvanised stringers are prepared for straightforward mounting in residential, commercial, and office projects.
The set is sold as a pair and designed to support treads up to 1200mm per pair, with a clear span for up to 17 steps when paired with appropriate tread materials. Riser, going, and tread dimensions are specified to align with standard installation layouts.
Key details
- Pair of steel stair stringers, hot-dip galvanised
- Riser: 175mm; Going: 250mm
- Treads: 15 RHS size: 150mm x 50mm x 3mm
- Bolt holes: 14mm; Treads bolt holes: 8mm; Slots: 11mm x 18mm
- Footing configurations: In-Ground, Bolt-On-Concrete, Landing To Landing
Ships with a 15-step configuration in mind, suitable for bolt-on concrete installations. This pair is intended for projects that require standard bolt-hole layouts and compatible tread material choices.
Shipping options available. In‑store pickup available — contact us for pickup location & hours.