Stair Stringer Bolt-On Concrete - 9 Step for a Pair (2 Piece)

Bolt-on concrete stair stringers built for a 9-step configuration, suitable for outdoor or high-traffic environments. Pair-ready and compatible with standard tread options that align with established bolt patterns.

Includes a galvanized steel pair designed for use with compatible treads to create a 9-step setup. When paired with appropriate aluminium or timber treads, it can support a clear span with a 50mm tread option. A third stringer can be added for wider spans.

Specifications at a glance

• Rise: 175mm, Going: 250mm, Treads: 9
• RHS size: 100mm x 50mm x 3mm
• RHS bolt holes: 14mm
• Treads bolt holes: 8mm
• Slots: 11mm x 18mm
• Finishing: Hot-Dip Galvanised
• Pair quantity

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