The Simpson CCQ48SDS2.5 Column Cap from Simpson Strong-Tie is an engineered connector designed to create strong, high-capacity column-to-beam connections in wood construction - specifically pairing a 4x beam with an 8x post. The extended seat of the column cap reaches beyond each side of the column to distribute load from the beam across a greater bearing surface, reinforcing the connection where structural demands are highest. Rather than relying on traditional through bolts, this cap uses Strong-Drive SDS Heavy-Duty Connector screws to attach to a greater net section area of the column, streamlining installation without sacrificing structural performance. The result is a low-profile, code-ready connection built to handle demanding framing applications including those subject to earthquake or high-wind uplift loading.

Key Features

• Strong-Drive SDS Heavy-Duty Connector screws included - 30 screws are included in the box, so installation can begin immediately without sourcing additional fasteners separately.
• Lower-profile fastening than standard through bolts - SDS screws sit closer to the surface, reducing visual bulk and making them better suited for finished or tight framing conditions.
• Extended seat bearing surface - the seat reaches beyond each side of the column to distribute beam load more broadly, reducing stress concentration at the connection point.
• Certified welds - weld certification provides verified strength and loading confidence, supporting use in structurally critical applications.
• Increased uplift load capacity for earthquake and wind loading - engineered to meet the demands of high-uplift scenarios, making this cap suitable for seismic and high-wind zones.
• Diamond holes for temporary fastening - allows the connector to be held in position during installation before final fasteners are driven, improving alignment and jobsite efficiency.
• 7-gauge steel construction - heavy-gauge material provides the rigidity and load capacity required for structural post-to-beam connections.
• Simpson Strong-Tie gray paint finish - provides a consistent, clean appearance and baseline surface protection for interior structural framing applications.

Why This Product

• Eliminates the need for additional brackets or braces - the CCQ is designed to handle column-to-beam connections on its own in wood construction, reducing hardware count and simplifying the framing process.
• SDS screws attach to a greater net section area than bolt connections - this means a stronger, more secure connection to the column compared to what standard through-bolt installations typically achieve.
• Built-in uplift resistance for seismic and wind applications - with uplift loads specifically increased for earthquake and wind loading, this cap is a practical choice for projects in regions with strict lateral and uplift load requirements.
• Faster installation with no special tooling for bolts - Strong-Drive SDS screws drive quickly without the need to pre-drill for bolts or add washers and nuts, cutting time at the connection point on every post.

Specifications

• Manufacturer Part Number (MPN): CCQ48SDS2.5
• Brand: Simpson Strong-Tie
• Nominal Beam Width: 4x
• Beam Width: 3-1/2 in.
• Width 1: 3-5/8 in.
• Width 2: 7-1/2 in.
• Length 1: 11 in.
• Height 1: 7 in.
• Nominal Post Size: 8x
• Material Gauge: 7-Gauge Steel
• Finish / Coating: Simpson Strong-Tie Gray Paint
• Country of Origin: United States

Approved Applications

• Column-to-beam connections in wood construction requiring high-capacity load transfer
• Structural framing applications subject to earthquake or high-wind uplift loading
• Projects requiring a 4x beam paired with an 8x post column connection
• Applications where a low-profile fastening solution is preferred over standard through bolts

What's Included

• 1x Simpson Strong-Tie CCQ48SDS2.5 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 included with the column cap. Lag screws will not achieve the same load.

Related Products

Looking for a column cap without legs for field-welding to pipe or other columns? The following cap-only options share the same dimensions as the CCQ and ECCQ series and may be ordered for field-welding applications:

• CCOQ - Column Cap Only, Quick-Install
• ECCOQ - End Column Cap, Legs Omitted, Quick-Install