Simpson 4x4 ZMAX Standoff Column Base CBST44Z All Thread Rod Hot-Dip Galvanized The chisel-shaped drill-bit head penetrates

The chisel-shaped drill-bit head penetrates the material and directs concrete dust into the multi-flute spiral

which provides extra corrosion resistance and helps extend the service life of the strap in demanding environments

The double-ground serrated edge minimizes splintering and chipping

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(1) DMANS1020 carbide-tipped tile and stone drill bit

Simpson 4x4 ZMAX Standoff Column Base CBST44Z All Thread Rod Hot-Dip Galvanized The chisel-shaped drill-bit head penetratesSimpson Strong Tie CBST44Z CBST ZMAX Standoff Column Base for 4x4 is a cast in place column base engineered by Simpson Strong Tie to provide a secure and durable connection between wood posts and concrete foundations in residential and light commercial construction. Its code required 1 in. standoff design elevates the post above the concrete surface, significantly reducing moisture related post end rot while delivering increased download capacity and