Product Description
Simpson DSSCB43.5-KT25 - DSSCB 4 in. x 3-1/2 in. Bypass Framing Drift Strut Connector with Screws (25-Qty)
The Simpson Strong-Tie DSSCB Bypass Framing Drift Strut Connector is engineered to anchor cold-formed steel bypass framing to the edge of a floor slab in order to accommodate horizontal building drift. Dual-function by design, the DSSCB features both prepunched slots and round holes, allowing it to serve in either slide-clip or fixed-clip applications - all from a single connector. Installers working in panelized construction benefit significantly from this connector's streamlined approach: finished panels can be installed while working off the top of the slab, eliminating the need to predrill or preinstall anchors for each individual clip. The DSSCB also resolves the coordination challenges typically associated with pre-anchorage of standard bypass clips, reducing on-site complexity and saving valuable time. Made in the United States from 97 mil (12 ga.), 50 ksi steel with a G90 zinc galvanized finish for long-lasting corrosion resistance, this kit includes 25 connectors and 55 precision-manufactured shouldered screws ready for immediate use.
Key Features
- Full 1 in. Deflection Range: Prepunched slots provide a full 1 in. of both upward and downward deflection, allowing the assembly to absorb horizontal building drift without compromising structural integrity.
- Precision Shouldered Screws Included: The kit comes with precision-manufactured #14 XLSH78B1414 shouldered screws specifically designed to prevent overdriving and to ensure the clip functions properly at all times.
- Dual-Function Connector: The combination of prepunched slots and round holes means the DSSCB can be configured for either slide-clip or fixed-clip applications depending on project requirements.
- Compatible with Common Strut Channels: Works with 7/8 in. and 1-5/8 in. strut channels, including common manufactured brands such as Unistrut, PHD and B-Line. Note: struts are not supplied by Simpson Strong-Tie.
- Flexible Anchorage Options: Depending on the application and the designer's specifications, struts can be either mechanically anchored, welded or cast in place.
- Defined Standoff Distances: The maximum slide-clip standoff distance is 3-1/8 in. for 7/8 in. struts, 3-7/8 in. for 1-5/8 in. struts and 2-1/4 in. for concrete inserts.
- Assembly-Tested Design Values: Tabulated design values are based on assembly testing to mitigate risk for designers, engineers and architects.
- Heavy-Gauge Steel Construction: Made from 97 mil (12 ga.), 50 ksi steel for robust load-bearing performance in demanding cold-formed steel framing applications.
- G90 Galvanized Finish: Zinc galvanized (G90) coating provides enhanced corrosion resistance suitable for construction environments.
- Panelized Construction Ready: Simplifies installation by allowing installers to set finished panels while working off the top of the slab - no need to predrill or preinstall anchors for each clip.
Specifications
- Manufacturer Part Number (MPN): DSSCB43.5-KT25
- Series: DSSCB
- Width: 3-1/2 in.
- Height: 4 in.
- Steel Thickness: 97 mil
- Gauge: 12 ga.
- Steel Strength: 50 ksi
- Coating / Finish: Zinc Galvanized, G90
- Deflection Range: 1 in. upward and 1 in. downward (full 1 in. each direction)
- Compatible Strut Channel Sizes: 7/8 in. and 1-5/8 in.
- Max Slide-Clip Standoff - 7/8 in. Strut: 3-1/8 in.
Frequently Asked Questions
- What strut channel sizes are compatible with the DSSCB43.5-KT25?
- The DSSCB works with both 7/8-in. and 1-5/8-in. strut channels. Common manufactured brands that fit include Unistrut, PHD, and B-Line. Note that strut channels are not supplied by Simpson Strong-Tie and must be sourced separately. The maximum slide-clip standoff distance is 3-1/8 in. for 7/8-in. struts, 3-7/8 in. for 1-5/8-in. struts, and 2-1/4 in. for concrete inserts.
- What is included in the DSSCB43.5-KT25 kit?
- Each kit includes 25 DSSCB connectors and 55 precision-manufactured #14 XLSH78B1414 shouldered screws. The shouldered screws are designed to prevent overdriving and ensure the clip functions properly. An optional DSHS drift stopper is sold separately for clip alignment flexibility in applications where drift is not required.
- Can the DSSCB be used for both slide-clip and fixed-clip applications?
- Yes. The DSSCB is a dual-function connector featuring both prepunched slots and round holes, allowing it to serve in either slide-clip or fixed-clip applications. The prepunched slots provide a full 1 in. of both upward and downward deflection for slide-clip use, while the round holes enable fixed-clip installation depending on the designer's specifications.
- What material and finish is used on the DSSCB43.5-KT25?
- The DSSCB connectors are made from 97 mil (12 ga.), 50 ksi steel and feature a G90 zinc galvanized finish for corrosion resistance. Design values are based on assembly testing to support use by designers, engineers, and architects.
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