If you have a nominal post measuring 5-1/2x5-1/2" you will need an ABW66Z Post base
Multi-Family Construction: Supports floor framing while preserving fire-rated assemblies between units
Material: High-strength steel
Blow out all dust from the hole before installation
5" (13 to 38 mm)
3/16"-16 x 1-3/4" Daggerz Concrete Screw, Slotted Hex Washer Head - Dagger-Guard Coating, Blue, Pkg. 2,500 Fiber-Cement Siding Nails If you have a nominalThe Daggerz Dagger Con Concrete Screws with slotted hex washer heads are built for tough jobs that demand strength, speed, and versatility. Whether youre fastening into poured concrete, block, or brick, these screws grip hard and hold tight no anchors needed. Their sharp point and hi low thread design make driving into masonry easier, reducing installation time and improving holding power. The integrated washer head provides a larger bearing surface,