SIMPSONSKU: AC4RZ

Simpson Rough 4X Adjustable Post Cap, ZMAX (AC4RZ)


PACK: 1 Ea
Price:
Sale price$9.80

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Product Features

  • Galvanized for corrosion resistance
  • Eliminates nailing into end grains
  • Load rated when installed in pairs
  • Maximum nailing option for increased loads

Product Description

The Simpson AC4RZ AC ZMAX Adjustable Post Cap for 4x Rough by Simpson Strong-Tie is a heavy-duty structural connector designed to provide a positive, secure connection between a beam and the top of a post. Ideal for both new construction and retrofit applications where structural support is needed, this post cap eliminates the weakness of end-grain nailing and delivers a stronger fastening solution than angled nailing or screw fastening alone. Featuring ZMAX galvanization, it is built to withstand the demands of exterior and treated-wood environments.

Key Features

  • Eliminates nailing into end grains
  • Stronger than angled nailing or screw fastening
  • Length: 7 in.
  • For use with 4x rough lumber
  • Made from 18-gauge steel
  • ZMAX galvanization offers extra corrosion resistance for exterior and treated-wood applications
  • AC series connectors are always installed in pairs for a complete, positive beam-to-post connection

Specifications

  • MPN: AC4RZ
  • Member Size: 4x rough
  • Width: 4 in.
  • Length: 7 in.
  • Gauge: 18
  • 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 AC4RZ designed for?
The AC4RZ is specifically designed for use with 4x rough lumber, providing a secure and properly sized connection between the post and beam.
Why must the 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 this connection requires two caps - one on each side - to achieve the intended structural performance. These connectors are always installed in pairs.
What makes ZMAX galvanization beneficial for this post cap?
ZMAX galvanization offers extra corrosion resistance, making the AC4RZ well-suited for exterior applications and use with treated wood, where standard coatings may be prone to premature deterioration.
What fasteners are required to install the AC4RZ?
Installation of the AC4RZ requires 0.162 in. x 3-1/2 in. nails. Using the specified fasteners ensures the connection meets its intended structural capacity.

Note: Product dimensions and/or nail or screw holes may differ from picture. Please see item description for specifications.

Download Specs Sheet: AC-LPCZ-LCE-RTC_Post_Caps.pdf

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Most of our products will ship within 1 to 3 Business Days. Some Special order products will ship within 2 to 5 Business Days. Preorders will be shipped to you on a first come first serve basis as soon as available from the manufacturer. Items that are "Made-to-Order" (Custom order products) will be shipped when fabrication is completed, shipping and delivery times will vary and depend on manufacturing.
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Preorders are shipped on a first come first serve basis as soon as available from the manufacturer, the sooner you place your Preorder the sooner your order will ship.

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