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Sign Hardware

SA-SO sign mounting hardware provides you with everything you need to mount your sign. Whatever type of sign post you choose: U-Channel Sign Post, Square Sign Post or Tubular Sign Post. SA-SO has the correct sign post hardware you need!

Top Mount Street Sign Brackets

Aluminum Brackets for 6" & 9" Flat Plates

  • Smooth-polished, die-cast aluminum lasts for years
  • Includes zinc-plated set screws, hardware, and Allen wrench
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  • Part No. 45419
  • Post Cap for
  • U-Channel
  • Posts
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  • Part No. 45410
  • Post Cap for
  • 2 ⅜" OD
  • Tubular
  • Posts
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  • Part No. 45081C
  • Post Cap for
  • 1 ¾" Square
  • Post or Flat
  • Assembly
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  • Part No. 45411
  • 90° Bracket for
  • Four-Way
  • Assemblies
  • For 6" blades
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  • Part No. 45412
  • 45° or 180°
  • Bracket
  • for Four-Way
  • Assemblies

Heavy-Duty Brackets for 6" & 9" Flat Plates

  • Extra-wide 5 ½" plate holder protects against wind warp
  • Smooth-polished die-cast aluminum for durability
  • Includes zinc-plated set of screws
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  • Part No. 45426
  • Post Cap for
  • 2 3/8" OD
  • Tubular Posts
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  • Part No. 45427
  • 90 Degree
  • Bracket for
  • Four-Way
  • Assemblies
  • For 9" blades

U-Channel Sign Post Hardware

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Two-In-One Sign Brackets

  • Use as "Sign Saver" with U-channel posts
  • To prevent warping and extend sign life
  • Use to mount signs to chain link easily
  • 3" x 3" .080 aluminum plate
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5⁄16" Bolts, Nuts & Washers

  • Corrosion-resistant plating
  • Perfect for U-channel, square, and delineator posts
Description Part No.
Two-In-One Sign Brackets 03137
Description Part No.
2 1⁄2" x 5⁄16" Hardware 10
pack contains bolts, nuts,
washers and lock washers
03163
2 1⁄2" x 5⁄16" Hardware 20
pack contains bolts, nuts,
washers and lock washers
03164

Square Sign Post Hardware

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Flat Concrete Base for Square Sign Post

  • Stable mounting in pavement or concrete
  • Works with any size square post
  • Two corner bolts (sold separately) fasten post into the base
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Corner Bolt & Square Nut Jam

  • Installs quickly and easily
  • Perfect for Breakaway Posts and splices
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Drive Rivets

  • Theft and vandal resistant
  • Use rivet on square posts
  • Easy to apply: a hammer is all you need
  • Built-in washer protects the face of the sign
  • Once the rivet is hammered into the square post, it flares out
Description Part No.
Flat Concrete Base 03299
Anchor Bolts - 4 Pack QB38234
Description Part No.
10 Pack 03290
Description Part No.
Drive Rivets DRAS3878-06-W

Tubular Sign Post Hardware

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Floor/Surface Flange for Tubular Sign Post

  • Malleable steel, one-piece 8" x 7¼" construction for surface mounting on paved areas
  • The tubular post is supported by a 5" cup, with two 9⁄16" hex setscrews (included) for more stability
  • Install on concrete with anchor bolts.
  • Order four bolts per base
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Adjustable Band Bracket

  • Zinc-coated steel
  • Resists corrosion
  • Adjust to fit 4" - 12" posts
  • All mounting hardware included
  • Two complete assemblies
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Aluminum Press-On Post Cap

  • Increases post life and delays rust
  • Requires no threading
  • Keeps rain from collecting in post
Description Part No.
Floor & Surface Flange for 2 3/8" post FF238
Floor & Surface Flange for 3" post FF3
Floor & Surface Flange for 4" post FF4
Anchor Bolts - 4 Pack QB38234
Description Part No.
Adjustable Band Bracket 10630
Aluminum Press-On Post Cap 03285
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2 3/8" OD Sign Clamps

  • Install quickly and easily
  • Die-cast for maximum durability
  • Two complete clamp assemblies with all the hardware
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Back-to-Back Clamps for 2 3/8" OD Post

  • Die-cast for maximum durability
  • Rust-free aluminum
  • Two complete assemblies including all hardware
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Aluminum Sign Brackets

  • Attach signs to tubular posts with no drilling
  • Economical strong extruded aluminum
  • All mounting hardware included
  • 2 Pack
Description Part No.
2 3/8" OD Sign Clamps 03237
Back-to-Back Clamps for 2 3/8" OD Post 03243
Aluminum Sign Brackets 03154