Stair Stringer Bolt-On Concrete - 16 Step for a Pair (2 Piece)

Pair of bolt-on concrete stringers designed for a 16-step layout, ready to pair with compatible treads for straightforward installation. Ideal for commercial, office, and residential stair projects, finished in hot-dip galvanised steel to suit a 50 mm tread profile.

Each stringer ships as a two-piece set with bolt holes and slots to aid alignment and secure mounting. The configuration supports up to 4 kPa in commercial applications and is compatible with treads up to 50 mm, with a maximum 125 mm gap between treads.

Key details

• Pair of stringers for a 16-step configuration
• Rise: 175 mm; Going: 250 mm
• Finish: hot-dip galvanised
• Bolt holes: 14 mm (RHS); slots: 11 mm x 18 mm
• Supports up to 4 kPa in commercial applications
• Configurations: In-Ground, Bolt-On-Concrete, Landing To Landing
• Suitable for treads up to 50 mm with a maximum 125 mm gap between treads

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