The Simpson FB24Z FB ZMAX Galvanized Fence Rail Bracket for 2x4 from Simpson is built to make fence post-to-rail connections fast, clean, and reliable. Its simple, purposeful design lets preinstalled brackets accept sliding rails without requiring toe nails or screws, cutting down on installation steps and reducing the chance of split lumber. Whether you are framing a wood fence, building deck or porch railings, or constructing louvers, this 20-gauge steel bracket delivers a strong, consistent connection with a ZMAX galvanized finish that stands up to outdoor exposure and treated-wood environments.

Key Features

• Preinstallation of brackets allows rails to slide into place easily - set brackets before the rails arrive on site, so assembly moves faster and alignment stays accurate without extra hands or hardware.
• Eliminates need for toe nails or screws - the bracket's geometry secures the rail mechanically, reducing split-lumber risk and giving you a cleaner finish on visible framing applications like porch railings and louvers.
• Nominal member size: 2x4 - sized specifically for standard 2x4 fence rails and framing members, so the fit is snug and the connection is structurally sound without shimming or modification.
• Made from 20-gauge steel - provides the structural rigidity needed for fence and railing applications while keeping the bracket lightweight and easy to handle during installation.
• ZMAX galvanization offers extra corrosion resistance for exterior and treated-wood applications - the heavier zinc coating goes beyond standard galvanizing to protect against the chemical preservatives in pressure-treated lumber, extending the service life of the connection in exposed outdoor settings.

Why This Product

• Faster framing without compromising strength - by allowing brackets to be preinstalled and rails to simply slide into position, this fence rail connector streamlines the build process for fences, railings, and louvers without sacrificing holding power.
• Designed specifically for treated-wood compatibility - the ZMAX galvanized finish is formulated to resist corrosion from the chemicals used in pressure-treated lumber, making this bracket a dependable long-term choice for exterior wood construction.
• Versatile across multiple outdoor framing applications - the same bracket handles fence post-to-rail connections, deck and porch railings, and louver construction, so one product covers several common project types without switching hardware.
• Clean installation with fewer fasteners - eliminating toe nailing reduces the risk of cracking rails and keeps the finished assembly looking neat, which matters on visible applications like porch and deck railings.

Specifications

• Model Number: FB24Z
• Nominal Member Size: 2x4
• Gauge: 20
• Width: 1 9/16 in.
• Height: 3 3/8 in.
• Coating/Finish: ZMAX
• Installation Fasteners: Holes are sized for 0.131 in. x 1-1/2 in. nails, 0.131 in. x 2-1/2 in. nails or #9 x 1-1/2 in. Strong-Drive SD Connector screws into the supporting member (sold separately)
• Seat Depth: 3/4 in.

Approved Applications

• Fence post-to-rail connections
• Deck and porch railings
• Louver construction

Downloads and Resources

• View Specifications

Frequently Asked Questions

What size lumber is the FB24Z designed to fit?

The FB24Z is designed for a nominal member size of 2x4, making it compatible with standard 2x4 fence rails and framing members.

What fasteners are required to install the FB24Z?

The holes are sized for 0.131 in. x 1-1/2 in. nails, 0.131 in. x 2-1/2 in. nails, or #9 x 1-1/2 in. Strong-Drive SD Connector screws into the supporting member.

Is the FB24Z suitable for use with pressure-treated wood?

Yes. The ZMAX galvanization offers extra corrosion resistance specifically for exterior and treated-wood applications, making it appropriate for use with pressure-treated lumber.

Does the FB24Z require toe nailing during installation?

No. One of the key advantages of the FB24Z is that its design eliminates the need for toe nails or screws to secure the rail in place, allowing preinstalled brackets to let rails slide easily into position.

Related Products

• #9x1-1/2" Strong-Drive SD Connector screws.

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