The Simpson CC68HDG 6x Beam 8x Post Hot-Dip Galvanized Column Cap is a heavy-duty structural connector from Simpson built to create secure, load-bearing column-to-beam connections in wood construction. Engineered for 6x beam and 8x post configurations, this column cap delivers a rigid, code-compliant connection point suited for heavy timber framing, outdoor structures, and any application where a dependable post-and-beam joint is required. Its hot-dip galvanized finish makes it a trusted choice for exposed environments, treated lumber assemblies, and high-humidity settings where long-term corrosion resistance is critical.

Key Features

• Hot-dip galvanized finish - provides a thick, durable protective coating that resists corrosion in outdoor, coastal, and treated-lumber environments, extending the service life of the connection.
• 6x beam and 8x post compatibility - engineered to fit standard heavy timber dimensions, accommodating beam widths of 5-1/4 in. and 5-1/2 in. for reliable fit without field modification.
• 3 gauge steel construction - heavy material thickness delivers the structural rigidity needed for demanding load-bearing post-and-beam applications in both residential and commercial framing.
• Enhanced uplift rating - designed to perform in seismic and high-wind construction zones, helping protect the structural integrity of connections under lateral and uplift forces.
• Configurable strap orientation - straps may be rotated 90 deg. to accommodate different framing layouts, giving contractors flexibility across varied installation conditions.
• Made in the United States - domestic production supports consistent quality standards for a connector used in critical structural applications.

Why This Product

• Purpose-built for heavy timber framing - the CC68HDG is specifically sized for 6x and 8x dimensional lumber, making it a precise fit for post-and-beam structures, pergolas, deck framing, and commercial wood construction rather than a generic workaround.
• Corrosion resistance where it counts most - the hot-dip galvanized finish goes beyond standard coatings to protect against moisture, chemicals in treated lumber, and outdoor exposure, reducing the risk of hardware degradation over time.
• Rated for high-demand structural zones - with enhanced uplift performance, this column cap is appropriate for seismic and high-wind regions where building codes require connectors capable of resisting extreme lateral and vertical forces.
• Adaptable to project-specific conditions - the option to rotate straps 90 deg. and to specify custom or rough-cut lumber dimensions means this connector can be tailored to fit non-standard framing situations without sacrificing structural performance.

Specifications

• Model Number: CC68HDG
• Finish: Hot-Dip Galvanized
• Beam Width (W1): 5-1/2 in.
• Compatible Beam Widths: 5-1/4 in., 5-1/2 in.
• Width 1: 5-1/2 in.
• Width 2: 7-1/2 in.
• Post Size: 6x8
• Dimension W2: 7-1/2 in.
• Length (L): 11 in.
• Height (H1): 6-1/2 in.
• Bolt Size: 5/8 in.
• Material Gauge: 3 gauge
• Country of Origin: United States

Approved Applications

• Post-and-beam structural connections in residential and commercial wood construction
• Deck, pergola, and outdoor structure framing requiring corrosion-resistant hardware
• Seismic and high-wind construction zones requiring enhanced uplift-rated connectors
• Connections involving treated lumber where hot-dip galvanized finish is required or recommended
• Heavy timber framing applications using 6x and 8x dimensional lumber

Options

• Contact us for Configurable Options and Special orders
• Straps may be rotated 90 deg.
• For special, custom, or rough-cut lumber sizes, provide dimensions. An optional W2 dimension may be specified. (The W2 dimension on straps rotated 90 deg. is limited by the W1 dimension.)

Frequently Asked Questions

What beam and post sizes is the CC68HDG compatible with?

The CC68HDG is designed for use with a 6x beam and an 8x post. It accommodates compatible beam widths of 5-1/4 in. and 5-1/2 in., with a W1 dimension of 5-1/2 in. and a W2 dimension of 7-1/2 in.

Why is the CC68HDG recommended for outdoor or treated-lumber applications?

The CC68HDG features a hot-dip galvanized finish, which provides superior corrosion resistance compared to standard zinc plating. This makes it well suited for exposed outdoor environments and use with pressure-treated lumber where moisture contact is a concern.

Is this column cap rated for seismic and high-wind conditions?

Yes. The CC68HDG carries an enhanced uplift rating specifically designed for earthquake and high-wind loading conditions, making it appropriate for use in seismic zones and areas subject to elevated wind loads.

What design features help simplify installation of the CC68HDG?

The CC68HDG includes diamond holes that allow for convenient temporary fastening during installation, and its extended seat design distributes the beam load across an expanded bearing surface beyond each side of the column. Bolt spacing also meets NDS code requirements to ensure proper structural performance once fully installed.