− Decrease quantity for Axle U-Bolt. Black, Round; 4 U-Bolts; 0.625 in. x 3.875 in. x 17 in.; w/Nuts And Washers Quantity + Increase quantity for Axle U-Bolt. Black, Round; 4 U-Bolts; 0.625 in. x 3.875 in. x 17 in.; w/Nuts And Washers Add to cart