National Hardware N222-141 Steel #522 U-Bolt 5/16 x 1-3/4 x 3 in. (Pack of 5)
U Bolt, #522, Zinc, 5/16 x 1-3/4 x 3-In. Continued expansion of stainless steel bolts, including heavy-duty applications, put us well ahead of the competitors. Paint And Paint Supplies. Zinc plated steel resists rust.