Simpson Strong-Tie HUC616 Concealed Face Mount Joist Hanger The PA18 purlin anchor is

The PA18 purlin anchor is made of 12 gauge galvanized steel

The PA68 purlin anchor is made of 12 gauge galvanized steel

The Simpson Strong-Tie HU816 is an 8 x 16 hanger made with 14 gauge galvanized steel

They can be installed back-to-back when eccentricty is an issue

The Simpson Strong-Tie HHUS26-2Z is a double 2 x 6 hanger made with 14 gauge Z-Max galvanized steel

Simpson Strong-Tie HUC616 Concealed Face Mount Joist Hanger The PA18 purlin anchor isThe Simpson Strong Tie HUC616 is a 6 x 16 concealed flange 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.