The Simpson Strong-Tie CCOQ4-SDS2.5HDG is a 4x beam column cap engineered to deliver strong, reliable column-to-beam connections on top of steel columns. Featuring a legless design, this column cap is purpose-built for field-welded attachment to steel columns and posts, making it a precision solution for heavy structural connections. The extended seat provides additional bearing surface area beyond each side of the column, effectively distributing beam loads and reinforcing the integrity of the connection. Quick installation is achieved through the included Strong-Drive SDS Heavy-Duty Connector screws, which engage a greater net section area of the column compared to standard bolt attachments. Finished in Hot Dip Galvanized (HDG) coating, this column cap is built to resist corrosion in demanding environments.

Key Features

• Legless design enables field-welded attachment to steel columns and posts
• Extended seat provides additional bearing surface area beyond each side of the column for superior load distribution
• Strong-Drive SDS Heavy-Duty Connector screws offer a lower profile than standard through bolts
• SDS screws attach to a greater net section area of the column than a standard bolt attachment
• Diamond holes for temporary positioning during installation
• Hot Dip Galvanized finish for enhanced corrosion resistance
• Made in the United States

Specifications

• Model Number: CCOQ4-SDS2.5HDG
• Beam Width: 3-1/2 in.
• Length: 11 in.
• Height: 7 in.
• Material Gauge: 7 Gauge
• Finish: Hot Dip Galvanized (HDG)
• Country of Origin: United States

Approved Applications

• Column-to-beam connections on top of steel columns and posts
• Field-welded structural connections requiring a legless column cap design
• Applications requiring load distribution from beam to column via extended bearing seat
• Structural connections where a low-profile fastener is preferred over standard through bolts
• Exposed or moisture-prone environments requiring a Hot Dip Galvanized finish

What's Included

• (16) 1/4" x 2-1/2" Strong-Drive SDS Heavy-Duty Connector screws

Options

• For end conditions, see ECCOQ.
• For rough-cut lumber sizes, provide dimensions.
• Other custom column caps are available. Contact us for Configurable Options and Special orders

Related Products

• - For end conditions requiring an end column cap solution.

Frequently Asked Questions

What size beam is this column cap designed to fit?

The CCOQ4-SDS2.5HDG is designed for 4x beams with a beam width of 3-1/2 in. The overall dimensions of the cap are 11 in. in length and 7 in. in height, making it suited for heavy structural beam-to-column connections.

How is this column cap attached to a steel column?

This column cap features a legless design that is intended for field-welded attachment to steel columns and posts. Once welded in place, the beam is then secured using the included Strong-Drive SDS Heavy-Duty Connector screws, which engage a greater net section area of the column compared to a standard bolt attachment.

What is the finish on this column cap, and is it suitable for corrosion-prone environments?

The CCOQ4-SDS2.5HDG is finished with a Hot Dip Galvanized (HDG) coating, which provides enhanced corrosion resistance. This makes it well-suited for demanding environments where exposure to moisture or corrosive conditions is a concern.

What advantage do the SDS screws offer compared to standard through bolts?

The Strong-Drive SDS Heavy-Duty Connector screws offer a lower profile than standard through bolts and attach to a greater net section area of the column than a standard bolt attachment. The cap also includes diamond holes to assist with temporary positioning during installation, helping to streamline the overall installation process.