The Simpson CC66 Column Cap for 6x Beam and 6x Post is a structural connector engineered by Simpson to deliver strong, reliable column-to-beam connections in wood post-and-beam construction. The seat of the column cap provides an additional surface area of bearing that extends beyond each side of the column, helping to distribute the load from the beam and provide support for the connection. Built from 7-gauge steel with certified welds and a Simpson Strong-Tie gray paint finish, the CC66 is a dependable choice for structural applications where performance under earthquake and wind loading is critical. Key Features Certified welds - provide verified strength and load capacity, giving you confidence in the structural integrity of every connection. Increased uplift load ratings - engineered to handle earthquake and wind loading conditions, making this cap well-suited for high-stress environments and demanding building codes. Bolt spacing meets NDS code requirements - ensures optimal performance and simplifies compliance with national design standards for wood construction. Diamond holes for temporary fastening - allow you to hold the cap in place during installation before final bolting, improving ease of alignment and reducing on-site errors. Extended bearing seat - the seat extends beyond each side of the column to distribute beam loads more effectively, reducing stress concentration at the connection point. 7-gauge steel construction - delivers heavy-duty strength appropriate for structural post-and-beam applications without excessive weight. Simpson Strong-Tie gray paint finish - provides a durable, corrosion-resistant coating suited for typical interior and protected structural environments. Installs with (6) 5/8-in. diameter bolts - a straightforward fastener requirement that supports a secure, code-compliant installation process. Why This Product Built for seismic and wind zones - uplift loads have been specifically increased to meet the demands of earthquake and high-wind conditions, so this column cap works where structural performance cannot be compromised. Code-ready bolt spacing - the bolt pattern is engineered to meet NDS code requirements out of the box, helping contractors and builders move through inspections with fewer complications. Certified welds you can count on - weld certification means the strength values you design to are backed by documented quality control, reducing uncertainty in critical load-path connections. Designed specifically for 6x post-and-beam assemblies - the CC66 is sized precisely for nominal 6x beams and 6x posts, eliminating guesswork and ensuring a proper fit for this common structural configuration. Specifications Model Number: CC66 Brand: Simpson Strong-Tie Member Size: 6x Beam, 6x Post Nominal Beam Width: 6x Beam Width: 5-1/4 in. or 5-1/2 in. Width 1: 5-1/2 in. Width 2: 5-1/2 in. Length 1: 11 in. Height 1: 6-1/2 in. Nominal Post Size: 6x Gauge: 7-gauge steel Finish / Coating: Simpson Strong-Tie Gray Paint Installation Fasteners: Install with (6) 5/8-in. diameter bolts (sold separately) Post Size: 6x6 Country of Origin: United States 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 size post and beam does the CC66 column cap fit? The CC66 is designed for use with a nominal 6x beam width and a nominal 6x post size, making it specifically suited for 6x6 post-and-beam wood construction applications. How many bolts are required to install the CC66? The CC66 is installed with (6) 5/8-in. diameter bolts. The bolt spacing is engineered to meet NDS code requirements to ensure optimal performance and structural integrity. Is the CC66 suitable for use in high-wind or seismic zones? Yes. The CC66 features uplift loads that have been increased to accommodate earthquake and wind loading conditions, making it appropriate for use in areas subject to these environmental forces. What material and finish is the CC66 made from? The CC66 is manufactured from 7-gauge steel and features a Simpson Strong-Tie gray paint finish. It also incorporates certified welds to provide confidence in its strength and load-carrying capacity. Note: Product dimensions and/or screw/bolt holes may differ from picture.
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