Stair Stringer-6 Step Concrete-In Hot-Dip Galvanised for a Pair (2 Pieces)

Support a wide range of stair configurations with a robust pair of hot-dip galvanised stringers. Designed for concrete-in installations, these 6-step-ready stringers span up to six risers with a 175mm rise and 250mm going, compatible with aluminium or timber treads.

Sold as a pair, they’re suitable for residential, domestic, office, and light commercial projects. When paired with the right treads, these stringers can span up to 17 steps, with a maximum 1200mm tread width per pair. For wider spans, a third central stringer helps maintain alignment.

Key details and compatibility

• RHS size: 75mm x 50mm x 2.5mm
• Bolt hole size: 14mm
• Tread bolt holes: 8mm (slots: 11mm x 18mm)
• Rise: 175mm | Going: 250mm
• Treads: 3
• Finishing: Hot-Dip Galvanised
• Standard configurations: In-Ground / Bolt-On-Concrete / Landing To Landing
• Sold as a pair; suitable for commercial 4kPa load applications

Assembly and installation must align with relevant building codes and local regulations.

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