#7 x 3" Simpson Strong-Tie #1 Square Drive Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1 Lb. Miscellaneous Wood Connectors Whether you're fastening steel framing

Whether you're fastening steel framing

Steel-to-steel structural connections

and chemically treated wood applications

If you have a nominal post measuring 3-1/2" x 3-1/2" you will need an APB44 Ornamental Post base

#7 x 3" Simpson Strong-Tie #1 Square Drive Trim Head Wood Screw - 305 Stainless Steel, Pkg. 1 Lb. Miscellaneous Wood Connectors Whether you're fastening steel framingSimpson Strong Tie Trim Head Deck Screws are built for clean, secure deck board installations with lasting holding power and a smooth finish. Featuring a square drive for slip free engagement during installation, these screws are easy to drive and resist cam out in both hand driven and auto feed systems. The trim style head seats flush with the surface, creating a polished appearance ideal for visible decking surfaces. A Type 17 point allows fast