Simpson Strong-Tie HUC416 Concealed Face Mount Joist Hanger The Simpson Strong-Tie HU312 is

The Simpson Strong-Tie HU312 is a 3 x 12 hanger made with 14 gauge galvanized steel

galvanized machine bolts are partially threaded

The PA’s dual embedment allows installation in concrete or concrete block

they provide a strong connection with fewer fasteners than nailed hangers

Simpson Strong-Tie HUC416 Concealed Face Mount Joist Hanger The Simpson Strong-Tie HU312 isThe Simpson Strong Tie HUC416 is a 4 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.