Product Description
The Simpson Strong-Tie IDCB45.5-KT25 IDCB Drift-Clip Bypass Framing Connector is purpose-built to secure bypass stud framing to the edge of a slab in cold-formed steel construction. Engineered for curtain-wall, seismic, and deflection applications, this connector accommodates 1 in. of lateral drift in each direction and 1 in. of upward and downward vertical deflection, providing the structural flexibility essential at slab-edge connections. Tested for anchorage to a steel-edge angle using #12 x 1-1/4 in. Strong-Drive XL Large-Head Metal screws, each kit ships with 25 connectors and 83 precision-manufactured shouldered screws, so the stud-side of your installation is fully equipped from the start.
Key Features
- Horizontal embossments and corner gussets - optimize connector performance under load, giving installers confidence the joint will hold in demanding CFS framing conditions.
- Precision-manufactured shouldered screws included - designed to prevent overdriving and ensure the clip functions properly, eliminating a common installation error that can compromise drift performance.
- Simpson Strong-Tie No-Equal stamps mark the center of the slots - provide clear visual guidance for correct shouldered screw and anchor placement, reducing guesswork and speeding up installation.
- Requires 4 in. minimum slab height - establishes the site condition up front, so specifiers and framers can confirm compatibility before ordering, avoiding costly field corrections.
- Made from 97 mil (12 ga.) steel, 50 ksi - delivers the structural strength and rigidity required for cold-formed steel curtain-wall and seismic new construction applications.
- G90 zinc galvanized finish - provides corrosion resistance suited to the exposed slab-edge environment typical of bypass framing assemblies.
- Kit includes (25) connectors and (83) XLSH78B1414 #14 shouldered screws - everything needed for the stud-side connection arrives together, keeping your job site organized and minimizing trips to source hardware.
Why This Product
- Built-in drift and deflection capacity - with 1 in. of lateral drift in each direction and 1 in. of vertical deflection in both directions, this connector handles real-world building movement at slab-edge connections without transferring damaging loads into bypass stud framing.
- Complete, installation-ready kit - the included shouldered screws are engineered specifically for this connector, so the stud attachment goes in correctly the first time, without sourcing mismatched fasteners from a separate supplier.
- Engineered for the most demanding CFS applications - approved for curtain-wall construction, seismic new construction, and deflection conditions, making this a single connector solution across multiple high-performance framing scenarios.
- Installer-friendly design features - No-Equal slot stamps, anti-overdrive shouldered screws, and structural embossments work together to reduce installation errors and improve on-site efficiency, particularly on large-scale cold-formed steel projects.
Specifications
- Model Number: IDCB45.5-KT25
- Clip Height: 4 in.
- Stud-Facing Clip Length: 5-1/2 in.
- Slab-Facing Clip Width: 3-1/2 in.
- Material Thickness: 97 mil
- Gauge: 12 ga.
- Steel Strength: 50 ksi
- Coating / Finish: Zinc Galvanized, G90
- Lateral Drift Accommodation: 1 in. in each direction
- Vertical Deflection Accommodation: 1 in. upward and downward
- Minimum Slab Height: 4 in.
- Packaging Quantity: 25 connectors per package
- Country of Origin: United States
Approved Applications
- Curtain-Wall Construction
What's Included
- (25) IDCB45.5 Drift-Clip Bypass Framing Connectors
- (83) XLSH78B1414 #14 shouldered screws
Installation Note: Install with (3) #14 shouldered screws to stud (provided) and (2) Strong-Drive XL Large-Head Metal screws (not provided) (Model: XLQ114B1224).
Frequently Asked Questions
- What screws are included with this kit, and what additional fasteners are needed for a complete installation?
- Each kit includes 25 IDCB45.5 connectors and 83 XLSH78B1414 #14 shouldered screws for attaching the connector to the stud (3 shouldered screws per connector). For anchorage to the steel-edge angle at the slab, you will also need 2 Strong-Drive XL Large-Head Metal screws per connector (Model: XLQ114B1224), which are not included in this kit.
- How much lateral drift and vertical deflection does the IDCB connector accommodate?
- The IDCB drift-clip connector accommodates 1 in. of lateral drift in each direction, as well as 1 in. of upward and downward vertical deflection. This built-in movement capacity makes it well suited for curtain-wall construction where slab-edge connections must flex without compromising structural integrity.
- What are the dimensions and material specifications of the IDCB45.5 connector?
- The connector has a 4 in. clip height, a 5-1/2 in. stud-facing clip length, and a 3-1/2 in. slab-facing clip width. It is precision-manufactured from 97 mil (12 gauge), 50 ksi steel with a Zinc Galvanized G90 finish for corrosion resistance. A minimum slab height of 4 in. is required for proper installation.
- Why are shouldered screws used with the IDCB connector instead of standard screws?
- The precision-manufactured shouldered screws provided with the IDCB connector are specifically designed to prevent overdriving and to ensure that the clip functions properly. Simpson Strong-Tie also includes No-Equal stamps on the connector that mark the center of the slots, helping installers place the shouldered screws and anchors correctly every time.
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