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Carriage Bolt Assembly 5/16″-18 x 4 1/2″ for Wood Post


A universal threaded fastener assembly developed in 1976 to mount wooden or metal signs to  4” X 4” wooden posts.  The assembly enabled a field installation with two assemblies and a box wrench rather than working out of four boxes of hardware.

Sold assembled in 100 pieces to a box.

Municipalities & Contractors Sign-in for Special Pricing and Tax Rates

VC147-5-9. In stock . / / / / / / / .


  • Uses Standard Carriage Bolt, Exact size readily available for any application.
  • Available Pre-Assembled, Most convenient for installer
  • Available Un-Assembled, More economical
  • Uses Vandlgard-Nut, Tamper resistant
  • Packed In Box Of 100, Work out of one box whether assembled or bulk
  • Field Tested, Still holding up after 25 years in snow burial and ultra-violet test sites


Additional information

Hex Flange Nut Serrated