Each of these Vertical Bunk Brackets Bolt will bolt to your Boat Trailers Crossmember. We have both Hot-Dipped Galvanized and Stainless Steel Trailer U-Bolts in many dimensions available to mount these Bunk Brackets to your trailer. Measure your Crossmembers dimensions to determine the correct size U-Bolt needed, then go to Boat Trailer U-Bolts to select the appropriate size.
In some cases these Bolt directly to the trailers crossmember frame with through Bolts. In that case, go to Trailer Bolts to select the correct through bolt to mount your Bunk Brackets. While your there, you can select either a Zinc Plated or Stainless Steel 3/8" x 3" Bolt to re-mount your Bunk Boards. This is the correct size to use. Vertical Bunk Brackets for mounting bunk boards vertically to accommodate most smaller boats. These Hot-Dipped Galvanized Vertical Style Bunk Brackets will mount both 2 x 4 or 2 x 6 Bunk Boards in a Vertical Fashion to your Boat Trailer. We have them available in 3 sizes to outfit your Boat Trailer.
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