Simpson Strong-Tie 16.69 in. H X 3.94 in. W 7 Ga. Galvanized Steel Column Base - CB46

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The CB is designed to connect posts to concrete foundations for a wide range of lumber, glulam, and engineered wood product sizes. This column base is either cast-in-place or wet set into the concrete where the bottom of the base plate sits flush with the concrete for full post bearing. The CB is ideal for columns that require high structural values and rugged performance.

Key Features

  • Increased uplift resistance for wind or seismic loading
  • Bolt hole locations meet code-required spacing for optimal capacity


  • Strap: CB4x, CB5x, CB6x — 7 gauge; CB7x and larger — 3 gauge
  • Base: CB4x through CB9x — 7 gauge; CB10x — 3 gauge


  • CB44, CB46, CB48, CB66, CB68, CB610 — galvanized; all other CB — Simpson Strong-Tie gray paint or HDG. Some products available in HDG, stainless steel or black powder coat. (Note: When ordering powder coat, model number is CBxxPC.)


  • CB is available in rough sizes. Other sizes available for CB; specify W1 and W2 dimensions. Consult Simpson Strong-Tie for bolt sizes and allowable loads.
  • Canada only: For rebar option add “GT” to the model name, i.e., CBGT44. (Base plate comes 3 ga. for all CBGTs).1