Stair Stringer Bolt-On Concrete - 4 Step for a Pair (2 Piece)

Strong, ready-to-install steel stringers paired for bolt-on concrete setups. This two-piece set is configured for a four-step run with a rise of 175mm and a going of 250mm, suitable for a maximum per-pair tread width of 1200mm when used with compatible treads.

Each stringer is hot-dip galvanised and designed for use with 50mm treads, creating a typical 125mm gap between treads. The pair ships with three footing options: In-Ground, Bolt-On-Concrete, and Landing To Landing. For wider spans, a third central stringer may be required.

Key details

• Pair of steel stair stringers
• Rise: 175mm; Going: 250mm
• Treads: 4; maximum per pair 1200mm
• Finishing: Hot-dip galvanised
• Footing options: In-Ground, Bolt-On-Concrete, Landing To Landing

Shipping options available. In‑store pickup available — contact us for pickup location & hours.