The Simpson 4X Beam End Column Cap HDG Legs Omitted is a hot dip galvanized column cap engineered for end-of-beam column-to-beam connections on top of steel members. Built by Simpson from 7-gauge steel, this legless cap is designed for field-welded attachment directly to steel columns and beams, making it well suited for structural applications where increased uplift load resistance is required for earthquake or wind loading. Its seat extends beyond one side of the column to provide additional bearing surface, effectively distributing beam loads across a reliable, code-compliant connection.

Key Features

• Legs omitted design - allows field-welded attachment to steel columns and beams, giving installers flexibility to create clean, structurally sound connections without pre-formed leg interference.
• End-of-beam configuration - the seat extends beyond one side of the column, increasing bearing surface area and improving load distribution at beam termination points.
• Hot dip galvanized finish - provides enhanced corrosion resistance, making this cap a dependable choice for exposed or moisture-prone structural environments.
• 7-gauge steel construction - delivers the strength and rigidity needed to support uplift and lateral loads associated with seismic and high-wind design requirements.
• NDS code-compliant bolt spacing - supports proper fastener installation per 2018 NDS guidelines, helping projects meet engineering and inspection standards with confidence.
• Field-weldable to pipe or other columns - extends versatility beyond standard square steel columns, accommodating a wider range of structural support configurations when welded per designer specifications.

Why This Product

• Purpose-built for steel-to-wood end connections - the legless cap is specifically engineered for field-welded end-of-beam applications on top of steel members, eliminating the compromise of adapting a standard cap to this use case.
• Engineered for high-load environments - approved for applications requiring increased uplift load resistance under earthquake and wind loading, giving engineers and builders a connector sized for demanding structural conditions.
• Long-term durability through hot dip galvanizing - the HDG finish goes beyond standard coatings to deliver corrosion protection suited for structures where long service life and minimal maintenance are priorities.
• Domestic production from an established structural brand - made in the United States by Simpson, a name widely recognized in engineered structural connectors, supporting consistent quality and material traceability.

Specifications

• Model Number: ECCO4HDG
• Beam Width: 3-1/2 in.
• Dimension W1: 3-5/8 in.
• Dimension L: 5-1/2 in.
• Dimension H1: 4 in.
• Material: 7-Gauge Steel
• Finish: Hot Dip Galvanized (HDG)
• Country of Origin: United States

Approved Applications

• End-of-beam column-to-beam connections on top of steel members
• Field-welded connections to steel columns and beams
• Field welding to pipe or other columns (weld by designer)
• Applications requiring increased uplift load resistance for earthquake or wind loading
• Structural connections requiring NDS code-compliant bolt spacing

Installation

• Use all specified fasteners per applicable specifications.
• 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-bolted.

Options

• Contact us for Configurable Options and Special orders
• For special, custom, or rough-cut lumber sizes, provide dimensions.
• ECCO may be ordered for field welding to pipe or other columns. Weld by designer.

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

Frequently Asked Questions

What does "legs omitted" mean for the ECCO4HDG, and how is it installed?

The legs omitted design means this column cap does not have pre-formed legs for nail or bolt attachment to a wood column. Instead, it is intended for field-welded attachment directly to steel columns and beams, making it suitable for applications where the cap must be secured to steel members on-site.

What beam width is the ECCO4HDG designed to accommodate?

The ECCO4HDG is designed to accommodate a beam width of 3-1/2 in. Additional key dimensions include a W1 of 3-5/8 in., a length (L) of 5-1/2 in., and an H1 of 4 in.

Why does the ECCO4HDG feature an extended seat, and what benefit does it provide?

The seat of the ECCO4HDG extends beyond one side of the column, providing additional bearing surface area. This extended seat helps distribute the load from the beam more effectively, resulting in a more reliable structural connection in end-of-beam applications.

What finish and material are used on the ECCO4HDG, and why does that matter for certain environments?

The ECCO4HDG is constructed from heavy-duty 7-gauge steel and finished with Hot Dip Galvanizing (HDG). The HDG finish provides superior corrosion resistance compared to standard coatings, making this column cap well suited for outdoor or moisture-exposed applications where long-term durability is a concern.