u bolt, round u bolt 1.material:mild steel,45#steel,40Cr steel 2.surface: ... ,10.9 round bend U Bolt grade 10.9, u clamp, u bolt with nut, high strength round u bolt Certificate: ISO9001:2000High quality ... tons per monthFinishing: painting, zinc plating... PackingInner packing: Each U bolt with a plastic bag and 5-6 pcs to one ...