U-Bracket for 3" and 3-1/2" Round Post

To be installed with Z-bars

U-Bracket for 3" and 3-1/2" Round Post
Item #
Bracket Design
Package includes one U-bracket. Installation guidelines below.


Compatible 3" and 3-1/2" dia. round posts not available on this website. Z-Bar sign mount is sold separately.

Our signs are provided with 2 standard top and bottom holes, installation using this bracket requires all signs to have a minimum of 4 holes (2 top and 2 bottom) following the Z-bar configuration below.






Price: $11.65
0 In Stock
Special freight arrangements are necessary.

Need a quote for a large order? Call 800‑274‑5271 or email us.

Round Post U-Brackets are specifically designed for 3” and 3-1/2" round posts and it is used in conjuction with Z-Bar Sign Mount. This U-bracket comes with hex nuts and lock washers.

Please note that Round Post U-Brackets are sold individually. For a typical installation with Z-bars, one U-bracket must be purchased per Z-bar. Details on installation are found below.

Package includes one U-bracket. Review the installation guidelines below to order the correct number of brackets for your application.

Frequently Purchased Together

Product Information


U-Bracket Description

  • U-bracket bolts around 3" and 3-1/2" diameter round posts.
  • Hex nuts and washers are included to secure fastening to Z-bar.
  • All U-Bolts are 1/2" Galvanized Steel.
  • Sold individually. Must purchase 1 U-bracket per Z-bar.
  • U-bracket to be affixed to round posts with Z-bars. Sold Separately

Installation Procedures

Z-Bar and Round U-bracket

Drill 3/8" diameter Holes on the sign following
Z-bar Hole configuration.
Attach and secure Z-bar to sign using bolting set.
Position and mount the U-bracket around the
pole and through the Z-bar outer holes securing
it tightly.
Back view of a 30" Stop sign with two 14" Z-bars
and two 3" Round U-brackets.



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