U-Bolt: 1.Material: 40Cr,45# Steel,35CrMo steel 2.Finished: Plating,Phosphating,Oxide Painting 3.Grade:8. ... & nut with different styles and sizes.1>.Material: 40Cr, 45# Steel, 35CrMo steel2>.Surface: Z.P. Black, Hot Dip, Plating, ... .9..5>.Colors: Black, Blue, Red etc., many colors for your choice6>.U-Bolt Type: round, round flat, half-round ... according to your requirements. Grade 10.9 U-Bolt for truck