1/4"-20 Stainless Steel Trailer Carriage Bolts

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1/4" Carriage Bolt for fastening trailer bunk boards & other frame hardware

Carriage bolts are widely used on trailers to attach trailer bunk boards to bunk brackets.  They have a domed top and a square under the head.  The square pulls into the wood as the bolts is tightened.  Carriage bolts can also be used to attach frame hardware to trailer. Stainless steel 18-8 is an alloy of steel with high corrosion resistance. Stainless has become the material of choice for exterior and most marine applications.


  • Stainless Steel for maximum corrosion resistance
  • fastens wood bunk boards to trailer
  • various sizes available
  • Diameter: 1/4"

Stainless Steel trailer carriage bolts used to attach trailer bunk boards