Product Description
The Simpson S/HDU4 S/HDU 7-7/8 in. Holdown for Cold-Formed Steel is an engineered holdown connector from Simpson Strong-Tie designed specifically for cold-formed steel framing applications. This holdown anchors the shearwall to the foundation to resist overturning forces, making it an essential component in structural cold-formed steel builds. The S/HDU series combines performance with ease of installation - its pre-deflected geometry virtually eliminates material stretch, resulting in low deflection under load, while installation using self-drilling tapping screws into the studs reduces installation time and saves labor cost.
Key Features
- Designed for use with cold-formed steel framing
- Anchors the shearwall to the foundation to resist overturning
- Height: 7-7/8 in.
- Made from 118 mil (10 ga.) steel
- Galvanized (G90) for corrosion resistance
- Pre-deflected geometry virtually eliminates material stretch, resulting in low deflection under load
- Installation using self-drilling tapping screws into the studs reduces installation time and saves labor cost
Specifications
- Model Number: S/HDU4
- Height: 7-7/8 in.
- Thickness: 118 mil
- Gauge: 10 ga.
- Coating: Zinc Galvanized, G90
- Finish: Zinc Galvanized, G90
- Installation: Install with (6) #14 self-drilling screws to the stud and (1) 5/8 in. diameter anchor bolt to structure
- Country of Origin: United States
Approved Applications
- High-Wind Construction
Frequently Asked Questions
- What type of framing is the Simpson S/HDU4 holdown designed for?
- The S/HDU4 is specifically designed for use with cold-formed steel (CFS) framing. It is part of Simpson Strong-Tie's line of cold-formed steel connectors engineered to provide the strength and performance required in CFS applications.
- What fasteners are required to install the S/HDU4 holdown?
- Installation requires (6) #14 self-drilling screws to connect the holdown to the stud and (1) 5/8 in. diameter anchor bolt to connect it to the structure.
- What is the purpose of the pre-deflected geometry on the S/HDU series?
- The pre-deflected geometry of the S/HDU series virtually eliminates material stretch, resulting in low deflection under load. This design feature contributes to improved structural performance once the holdown is subjected to overturning forces.
- What corrosion protection does the S/HDU4 holdown have?
- The S/HDU4 features a Zinc Galvanized, G90 coating and finish, providing corrosion resistance suitable for cold-formed steel framing applications.
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