... steel 2.Finished: Plating,Phosphating,Oxide Painting 3.Grade: 8.8,10.9,12.9 Tinmy can supply kinds of U ... -Bolt, wheel bolt & nut with different styles and sizes.1>.Material: 40Cr, 45# Steel, 35CrMo steel2 ... Black, Blue, Red etc., many colors for your choice6>.U-Bolt Type: round, round flat, half-round ,half-round ... all kinds of bolts according to your requirements. Steel U-shaped Bolt