Simpson Strong-Tie HDU11 Holdown with SDS Screws The Simpson Strong-Tie HUC48 is

The Simpson Strong-Tie HUC48 is a 4 x 8 concealed flange hanger made with 14 gauge galvanized steel

The Simpson Strong-Tie HD12 offers higher allowable loads

one-piece connector

Minimum end and edge distance for concrete screws is 1-1/2″

they are designed for use with appropriately-sized drill bits that are included with each box

Simpson Strong-Tie HDU11 Holdown with SDS Screws The Simpson Strong-Tie HUC48 isThe Simpson Strong Tie HDU11 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 1 anchor. Made of 10 gauge galvanized steel.