Simpson CBSTQ44Z Quick-Install Column Base - ZMAX Collated Composite Deck Screws Secure Drive – Deep T40

Secure Drive – Deep T40 6-lobe recess for consistent engagement (replacement bit: BIT40T-134-R2)

or a routed beam

clean finish that won’t catch or snag

No expansion or secondary anchoring components are required

Commonly used in docks

Simpson CBSTQ44Z Quick-Install Column Base - ZMAX Collated Composite Deck Screws Secure Drive – Deep T40When your job calls for long term durability in exposed environments, the Simpson Strong Tie CBSTQ Column Base with ZMAX coating delivers. Designed to anchor wood columns securely to concrete, this standoff base provides serious structural support while helping resist corrosion from moisture, weather, or contact with treated lumber. Whether you're building a deck, pergola, porch, or working on exterior framing in residential or light commercial