Stair Stringer Bolt-On Concrete - 14 Step for a Pair (2 Piece)

Pair-built steel stair stringers ready for bolt-on concrete installation, sized for a 14-step configuration. When paired with compatible treads, they establish a straight stair layout with a 175mm rise and 250mm going per step.

Two-footing options provide installation flexibility: In-Ground, Bolt-On-Concrete, or Landing to Landing. Each pair is hot-dip galvanised for corrosion resistance and includes the RHS, bolt holes, and slots needed for tread fasteners.

Key details

• Pair (2 pieces) for a 14-step configuration
• Rise: 175mm; Going: 250mm
• RHS size: 150mm x 50mm x 3mm
• RHS bolt hole: 14mm; treads bolt hole: 8mm; slots: 11mm x 18mm
• Finishing: Hot-Dip Galvanised
• Available footing configurations: In-Ground, Bolt-On-Concrete, Landing To Landing

Ideal for projects supporting up to a 1200mm tread width per pair when used with aluminium or timber treads; a wider span may require a third central stringer. Shipping options available. In-store pickup available — contact us for pickup location & hours.