Simpson Strong-Tie HDUE9-SDS3.5HDG Description

The Simpson Strong-Tie HDUE Holdown series delivers exceptional lateral-load resistance for demanding residential and multi-story applications. Designed with modern construction needs in mind, HDUE holdowns ensure strong, reliable connections for shearwalls, braced wall panels, and other structural elements.

Simpson Strong-Tie HDUE9-SDS3.5HDG Includes

• (16) 1/4 in. x 3-1/2 in. Strong-Drive SDS Heavy-Duty Connector screws
• (1) Crescent Washer

Simpson Strong-Tie HDUE9-SDS3.5HDG Features

• Hot Dip Galvanized Finish: Superior corrosion resistance for exterior and treated wood applications.
• Enhanced Load Capacity: Engineered to meet increased demands in residential construction, especially for large openings and taller walls.
• Innovative Angled Fastening: Larger models feature screw placement that engages both tension and shear for higher allowable loads with fewer fasteners.
• Predeflected Seat Design: Rounded seat minimizes deflection under load, improving structural stability.
• Overlapping Back Plate: Reinforces steel strength while helping prevent post splitting.
• Optimized Screw Patterns: Designed to reduce wood splitting and maximize fastener performance at the post end.

Simpson Strong-Tie HDUE9-SDS3.5HDG Applications

• Shearwalls: Provides strong connections for lateral-load resistance.
• Braced Wall Panels: Ensures stability in multi-story applications.
• Structural Elements: Suitable for demanding residential and commercial construction needs.

Simpson Strong-Tie HDUE9-SDS3.5HDG Installation Overview

1. Install using the included Strong-Tie SDS Heavy Duty Connector Screws.

Simpson Strong-Tie HDUE9-SDS3.5HDG Specifications

Finish Hot Dip Galvanized Material Carbon Steel Base width 4-5/16″ Fasteners required ALL FASTENERS INCLUDED: (16) 1/4 in. x 3-1/2 in. Strong-Drive SDS Heavy-Duty Connector screws, (1) crescent washer For Treated Lumber Yes Height 17-3/8″ Thickness 12 Gauge Width 3″

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