Simpson HDU4-SDS2.5 10-15/16″ Predeflected Holdown w/Screws

Simpson Strong-Tie HDU Holdowns are pre-deflected to virtually eliminate deflection under load due to material stretch. The Strong-Tie HDU4-SDS2.5 pre-deflected holdown is installed with Simpson Strong-Drive SDS heavy duty connector screws which are included with the holdown. Need more corrosion resistance? See the Hot-Dip Galvanized HDU4.

HDU Special Features

• Holdown designs virtually eliminate deflection due to material strech.
• Uses Strong-Drive SDS Heavy-Duty Connector screws which install easily, reduce fastener slip, and provide a greater net section area of the post compared to bolts.
• Strong-Drive SDS Heavy-Duty Connector screws are supplied with the holdowns to ensure proper fasteners are used.
• No stud bolts to countersink at openings.

Installation:

• Use all specified fasteners.
• The HDU requires no additional washer, the DTT requires a standard