1/4" x 3-1/2" Strong-Tie SDS25312SS Heavy-Duty Connector Screw, 316 Stainless Steel, Pkg 900 Straight Shank Drill Bits the PHSD screw installs fast

the PHSD screw installs fast and holds tight

With concealed flanges

If you have a nominal post measuring 5-1/2x5-1/2" you will need an ABW66Z Post base

HST Strap Ties are designed to strengthen critical framing connections while providing reliable performance under demanding loads

load-rated connection

1/4" x 3-1/2" Strong-Tie SDS25312SS Heavy-Duty Connector Screw, 316 Stainless Steel, Pkg 900 Straight Shank Drill Bits the PHSD screw installs fastThe Simpson Strong Tie Strong Drive SDS Heavy Duty Connector Screw is a 1 4" diameter structural wood screw designed for a wide range of connector, wood to wood, and engineered wood applications. Built for strength and speed, the SDS installs without predrilling thanks to its easy driving Type 17 point, which reduces splitting while ensuring consistent performance. Tested and approved in multiple structural applications, the SDS screw features a