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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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15" Sign Base for U-Channel or Square Post

  • Lets you put a sign anywhere
  • For permanent installation to pavement or asphalt, use the three convenient mounting holes to anchor the base with anchor bolts
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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
U-Channel or Square Sign Base 03175
Anchor Bolts - 4 Pack QB38234
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
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