Simpson Strong-Tie HD5B Holdown The PA18 purlin anchor is

The PA18 purlin anchor is made of 12 gauge galvanized steel

It achieves a clean

The DTT2Z fastens easily to a single 2x joist or stud using Simpson Strong-Tie® Strong-Drive® SDS screws and accepts a 1/2″ machine bolt or anchor bolt

The PA35Z purlin anchor is made of 12 gauge Z-Max galvanized steel

Simpson Strong-Tie HD5B Holdown The PA18 purlin anchor isThe Simpson Strong Tie HD5B bolted holdown features a unique seat design which greatly minimizes deflection under load. The HDB holdowns are self jigging, ensuring that the code required minimum of seven bolt diameters from the end of the post is met. They can be installed directly on the sill plate or raised above it and are suitable for back to back applications where eccentricity is a concern. HDBs are designed to provide loads for intermediate