Simpson Strong-Tie HU212-3 Face Mount Joist Hanger The PA18 purlin anchor is

The PA18 purlin anchor is made of 12 gauge galvanized steel

Fasten with Five 1″ machine bolts and either a 1-1/8″ or 1-1/4″ anchor to achieve different loads

The HDB holdowns are self jigging

Some shorter lengths will be fully threaded

Simpson Strong-Tie HU212-3 Face Mount Joist Hanger The PA18 purlin anchor isThe Simpson Strong Tie HU212 3 is a triple 2 x 12 hanger made with 14 gauge galvanized steel. Most models have triangle and round holes. To achieve maximum loads, fill both round and triangle holes with common nails. These heavy duty connectors are designed for schools and other structures requiring additional strength, longevity and safety factors.