Stainless Steel U-bolt measuring 1/2 inch x 3 1/16 inch x 4 5/16 inch, Used to hold on various brackets on boat and utility trailers. Includes Stainless Steel nuts, Locking washers, and flat washers.
Finish: Stainless Steel
Thread Size: 1/2-13
Inside Width: 3 1/16 inch
Inside Length: 4 5/16 inch
This U-Bolt size is the most commonly used boat trailer U-Bolt. The most common tubing that this U-Bolt would mount around would be 3" x 3" tubing. For example, using this U-Bolt with the Galvanized Vertical Bunk Brackets L Type or Swivel Top Boat Trailer Bunk Brackets would allow you to mount your bunk brackets to your trailers cross-member. In addition, this size U-Bolt would mount your Boat Trailer front V-Guide or Galvanized Boat Trailer Roller Brackets to your trailers cross-members.
Using this Stainless Steel U-bolt is ideal for aluminum trailer parts like cross members and Aluminum Vertical Bunk Brackets L Type.