Product Description
The Simpson AC6RZ AC ZMAX Galvanized Adjustable Post Cap for 6x Rough is an engineered 18-gauge steel connector from Simpson designed to create a positive, structural connection between the top of a post and a beam. Built for both new construction and retrofit applications where structural support is needed, the AC6RZ is part of the AC series - connectors that are always installed in pairs to deliver reliable load transfer and holding strength superior to angled nailing or screw fastening. With a ZMAX galvanized finish and compatibility with 6x rough lumber, this post cap is a dependable choice for outdoor structures, decks, pergolas, and treated-wood framing projects.
Key Features
- Eliminates nailing into end grains - reduces splitting risk and produces a cleaner, more reliable structural connection at the post-to-beam joint
- Stronger than angled nailing or screw fastening - delivers superior load transfer so the connection performs as intended under real structural demands
- Designed for 6x rough lumber - the connector is properly sized for a secure, well-fitted connection without shimming or guesswork
- Made from 18-gauge steel - provides the rigidity and strength required for structural post-to-beam applications
- ZMAX galvanization offers extra corrosion resistance for exterior and treated-wood applications - the heavy-duty coating stands up to the harsh chemicals in pressure-treated lumber and outdoor weather exposure, extending the life of the connector
- 9-inch length - sized to span and engage both the post and beam member effectively for a secure, positive connection
- Always installed in pairs - this engineered requirement ensures balanced load distribution and full structural performance at every post location
Why This Product
- Purpose-built corrosion resistance - the ZMAX galvanized finish goes beyond standard coatings to protect against the accelerated corrosion that treated lumber and outdoor environments can cause, making this cap a smart long-term investment for exterior framing
- Structurally superior fastening method - by eliminating end-grain nailing and outperforming angled nailing or screw fastening, the AC6RZ delivers a more dependable beam-to-post connection for load-bearing structures like decks, covered patios, and pergolas
- Versatile fit for new construction and retrofit - the adjustable design makes the AC6RZ practical not just for fresh builds but also for reinforcing or replacing connections on existing structures without starting from scratch
- American-made 18-gauge steel construction - the connector is built from domestic steel to consistent quality standards, giving builders and contractors confidence in material integrity on every job
Specifications
- Model Number: AC6RZ
- Gauge: 18
- Member Size: 6x rough
- Width: 6 in.
- Length: 9 in.
- Coating/Finish: ZMAX
- Install With: 0.162 in. x 3-1/2 in. nails (sold separately)
- Country of Origin: United States
Frequently Asked Questions
- What lumber size is the AC6RZ designed to work with?
- The AC6RZ is specifically designed for use with 6x rough lumber, providing a secure and properly fitted connection between the post and beam.
- Why must AC series post caps be installed in pairs?
- The AC series is engineered to provide a positive connection between a beam and a post, and the design requires that these connectors always be installed in pairs to achieve the intended structural performance and load transfer.
- What makes the ZMAX finish advantageous for this post cap?
- ZMAX galvanization offers extra corrosion resistance, making the AC6RZ well suited for exterior applications and use with treated wood where standard finishes may be more susceptible to deterioration over time.
- What fasteners are required to install the AC6RZ?
- The AC6RZ is installed with 0.162 in. x 3-1/2 in. nails. Using the specified fasteners ensures the connection meets its intended structural requirements.
Note: Product dimensions and/or nail or screw holes may differ from picture. Please see item description for specifications.
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