The Simpson Strong-Tie 5-1/8" Beam Column Cap Hot Dip Galvanized is a heavy-duty column cap engineered to create strong, reliable connections between beams and steel columns or posts. Designed for structural applications where load transfer and corrosion resistance are critical, this cap features a legless profile for direct field-welded attachment and an extended seat that distributes beam loads effectively across the connection point.

Key Features

• Legless design for field-welded attachment - allows the cap to be welded directly to steel columns, posts, or pipe columns by the designer, giving installers flexibility across a range of column types and site conditions
• Extended seat bearing surface - the seat reaches beyond each side of the column, distributing load from the beam more evenly and reducing stress concentration at the connection
• Increased uplift load capacity - engineered to handle elevated uplift demands associated with earthquake or wind loading, making it well-suited for structures in high-load environments
• Bolt spacing meets NDS code requirements - ensures the connection performs to recognized design standards, supporting code-compliant installations without additional field calculations
• Diamond holes included - provide temporary positioning during installation, helping align components accurately before final fastening
• Hot-dip galvanized finish on 7 gauge steel - delivers robust corrosion protection and structural strength, supporting long-term performance in exposed or demanding conditions

Why This Product

• Engineered for high-demand structural connections - with uplift capacity rated for wind and seismic loading, this column cap addresses performance requirements that go beyond standard gravity-load applications
• Versatile field installation - the legless, weld-ready design accommodates pipe columns and other non-standard column types, making it a practical choice when standard leg-style caps cannot be used
• Code-aligned bolt spacing - bolt hole requirements are built to 2018 NDS standards, reducing the designer's burden of verifying spacing compliance on the job
• Made by Simpson Strong-Tie in the United States - backed by a brand with a long-standing reputation in structural connectors and produced domestically for consistent quality control

Specifications

• Model Number: CCO5 1/4HDG
• Beam Width: 5-1/8 in.
• Length: 13 in.
• Height: 8 in.
• Material: 7 gauge steel
• Finish: Hot-Dip Galvanized
• Brand: Simpson Strong-Tie
• Country of Origin: United States

• Contact us for Configurable Options and Special orders
• For special, custom or rough-cut lumber sizes, provide dimensions.
• CCO may be ordered for field welding to pipe or other columns. Weld by designer.
• See CCO Column Cap Load Table. See Table
• See CCO Column Product Guide.

Installation

• Use all specified fasteners; see General Notes
• Weld by designer
• Bolt holes shall be a minimum of 1/32" to a maximum of 1/16" larger than the bolt diameter (per 2018 NDS, section 12.1.3.2); bolt holes should be drilled from one side all the way through the beam to maintain hole tolerances
• Contact engineered wood manufacturers for connections that are not through the wide face

Frequently Asked Questions

What type of columns is the CCO5 1/4HDG designed to attach to?

The CCO5 1/4HDG features a legless design that allows it to be field-welded directly to steel columns and posts, and it may also be ordered for field welding to pipe or other column types, with welding performed by the designer.

How does the seat design of this column cap benefit the connection?

The seat of the CCO column cap extends beyond each side of the column, providing additional surface area for bearing. This extended seat helps distribute the load from the beam more evenly and provides greater support at the connection point.

Why is the hot-dip galvanized finish important for this product?

The hot-dip galvanized finish on the CCO5 1/4HDG provides a robust layer of corrosion resistance, making it well suited for outdoor, exposed, or high-moisture environments where long-term durability is critical.

Does the CCO5 1/4HDG meet code requirements for bolt spacing?

Yes. The bolt spacing on the CCO5 1/4HDG is designed to meet NDS code requirements to ensure optimal structural performance. Per the 2018 NDS (section 12.1.3.2), bolt holes must be a minimum of 1/32" to a maximum of 1/16" larger than the bolt diameter, and holes should be drilled from one side all the way through the beam to maintain proper tolerances.

Downloads and Resources

• See CCO Column Cap Load Table. See Table
• See CCO Column Product Guide. See SPECS

Note: Product dimensions and/or screw or bolt holes may differ from picture.