Simpson Strong-Tie HDU8 Holdown with SDS Screws The Simpson Strong-Tie HHUS410 is

The Simpson Strong-Tie HHUS410 is a 4 x 10 hanger made with 14 gauge galvanized steel

The PA35 purlin anchor is made of 12 gauge galvanized steel

Fasten with Two 3/4″ machine bolts and a 5/8″ anchor

The Simpson Strong-Tie HDU5-SDS2

Simpson Strong-Tie HDU8 Holdown with SDS Screws The Simpson Strong-Tie HHUS410 isThe Simpson Strong Tie HDU8 SDS2. 5 holdown is pre deflected during the manufacturing process, virtually eliminating deflection under load due to material stretch. They use Simpson Strong Tie Strong Drive SDS screws (included) which install easily, reduce fastener slip and provide a greater net section when compared to bolts. Anchor with a 7 8 anchor. Made of 10 gauge galvanized steel.