Simpson Strong-Tie MPAI44 45-1/2" Masonry Purlin Anchor for I-Joist - Galvanized Flat Head Blue Concrete Screws The Simpson Strong-Tie PHSD34S0818 Strong-Drive

The Simpson Strong-Tie PHSD34S0818 Strong-Drive Collated PHSD Screw is specifically designed for fastening wood framing members to cold-formed steel (CFS) in top-track applications

Heavy-duty corner bracing

concrete-to-steel connections

and custom length sizes can be ordered

these screws combine strength

Simpson Strong-Tie MPAI44 45-1/2" Masonry Purlin Anchor for I-Joist - Galvanized Flat Head Blue Concrete Screws The Simpson Strong-Tie PHSD34S0818 Strong-DriveThe Simpson Strong Tie MPAI Masonry Purlin Anchor is engineered to provide a secure, code approved wood to concrete and wood to masonry connection for open web truss and I joist applications. Specifically designed for open web truss joint connections to concrete or masonry walls, the MPAI creates a reliable load path that transfers uplift and lateral forces from roof framing into the supporting structure. Built to accommodate the geometry of open web