Product Description
Simpson CCQ78SDS2.5 Column Cap for 6-3/4 in. Beam & 8x Post with Strong-Drive SDS Screws
The Simpson Strong-Tie CCQ78SDS2.5 Column Cap delivers a high-capacity column-to-beam connection engineered for demanding wood construction applications. Designed as part of the CCQ series, this column cap eliminates the need for additional brackets or braces by combining an extended bearing seat with heavy-duty fastening - all in a single, ready-to-install connector. The seat of the column cap provides additional bearing surface area that extends beyond each side of the column, helping distribute load from the beam and providing robust support for the connection. Fabricated from 3-gauge steel with certified welds and a Simpson Strong-Tie gray paint finish, the CCQ78SDS2.5 fits a 6-3/4 in. beam and a nominal 8x post, and ships complete with (30) 1/4 in. x 2-1/2 in. Strong-Drive SDS Heavy-Duty Connector screws for immediate installation. The SDS screw attachment method engages a greater net section area of the column than a standard bolt connection, while maintaining a lower, cleaner profile on the finished assembly.
Key Features
- Lower Profile Fastening: SDS screws provide a lower profile than standard through bolts for a cleaner finished appearance.
- Certified Welds: All welds are certified, providing confidence in strength and load performance.
- Enhanced Uplift Resistance: Uplift loads have been increased to address earthquake or wind loading demands.
- Extended Bearing Seat: The seat surface extends beyond each side of the column to distribute beam loads more effectively.
- Diamond Holes: Diamond holes allow for temporary fastening during installation alignment.
- Greater Net Section Engagement: SDS screws attach to a greater net section area of the column than bolt attachment normally allows.
- Heavy-Gauge Construction: Made from 3-gauge steel for structural integrity.
- No Additional Hardware Needed: Designed to generally eliminate the need for additional brackets or braces.
- Made in the USA: Manufactured in the United States.
Specifications
- Manufacturer Part Number (MPN): CCQ78SDS2.5
- Beam Width: 6-3/4 in.
- Nominal Post Size: 8x
- Steel Gauge: 3-Gauge
- Finish / Coating: Simpson Strong-Tie Gray Paint
- Fastener Type: 1/4 in. x 2-1/2 in. Strong-Drive SDS Heavy-Duty Connector Screws
- Fastener Quantity: 30 screws included (Model: SDS25212)
- Country of Origin: United States
Approved Applications
The CCQ78SDS2.5 is designed for column-to-beam connections in wood construction where a strong, load-distributing interface is required. The extended bearing seat makes it particularly well-suited for applications where beam load distribution across the column top is critical. The increased uplift load capacity makes it appropriate for structures located in high-wind or seismic zones. This column cap is intended for use with a 6-3/4 in. wide beam and a nominal 8x post.
What's Included
- 1x Simpson Strong-Tie CCQ78SDS2.5 Column Cap
- 30x 1/4 in. x 2-1/2 in. Strong-Drive SDS Heavy-Duty Connector Screws (Model: SDS25212)
Installation Note: Install with (30) 1/4 in. x 2-1/2 in. Strong-Drive SDS Heavy-Duty Connector screws, which are provided with the column cap. Lag screws will not achieve the same load.
Options
- Contact us for Configurable Options and Special orders
- The CCOQ and ECCOQ column cap only (no straps) may be ordered for field-welding to pipe or other columns. Dimensions are the same as the CCQ and ECCQ.
Frequently Asked Questions
- What beam width and post size is the CCQ78SDS2.5 designed to fit?
- The CCQ78SDS2.5 is specifically designed for a 6-3/4 in. wide beam and a nominal 8x post, making it suitable for heavy timber construction applications requiring a secure column-to-beam connection.
- What fasteners are included, and how many are required for installation?
- The CCQ78SDS2.5 includes 30 Strong-Drive SDS Heavy-Duty Connector screws sized 1/4 in. x 2-1/2 in. (Model: SDS25212). These screws ship with the column cap, so no separate fastener purchase is necessary for a standard installation.
- Why use SDS screws instead of standard through bolts for this column cap?
- The Strong-Drive SDS screws attach to a greater net section area of the column than a standard bolt connection typically allows, while also providing a lower profile than through bolts for a cleaner finished appearance on the assembly.
- What material and finish is used on the CCQ78SDS2.5, and is it rated for high-load applications?
- The CCQ78SDS2.5 is fabricated from 3-gauge steel with certified welds and finished in Simpson Strong-Tie gray paint. The certified welds provide confidence in strength and load performance, and uplift loads have been increased to address earthquake or wind loading demands.
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FAQs
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