Simpson HDU4-SDS2.5 Description

The Simpson HDU4-SDS2.5 Predeflected Holdown is designed to virtually eliminate deflection under load due to material stretch, ensuring reliable performance in structural applications.

Simpson HDU4-SDS2.5 Includes

• (1) Predeflected Holdown
• (1) Set of Strong-Drive SDS Heavy-Duty Connector Screws

Simpson HDU4-SDS2.5 Features

• Predeflected design minimizes deflection under load
• Includes Strong-Drive SDS Heavy-Duty Connector screws
• No need for stud bolts to countersink at openings
• Provides greater net section area of the post compared to bolts

Simpson HDU4-SDS2.5 Applications

• Structural reinforcement in wood-framed construction
• Securing posts and beams in residential and commercial buildings
• Applications requiring minimized deflection under load

Simpson HDU4-SDS2.5 Installation Overview

1. Use all specified fasteners
2. No additional washer required for HDU
3. Install screws using a low-speed, high-torque drill with a 3/8″ hex head driver

Simpson HDU4-SDS2.5 Specifications

NOTE: The correct fasteners installed in the correct position must be used to achieve published load values