Home Towing & Transportation Trailering Towing & Hitching Square Zinc Plated U-Bolt Kit (1/2”-13 x 3-1/16” x 3-13/16” x 1-1/2”) Tie Down Square Zinc Plated U-Bolt Kit (1/2”-13 x 3-1/16” x 3-13/16” x 1-1/2”) $9.39 Square Zinc Plated U-Bolt Kit (1/2”-13 x 3-1/16” x 3-13/16” x 1-1/2”) quantity Add to cart Product Details Product Details Zinc Plated. Includes Flat Washers And Nyloc Nuts. A: 1/2″-13. B: 3-1/16″. C: 3-13/16″. D: 1-1/2″. Square. Sold Each. Used for mounting brackets to trailer frame.
