U-Bolt 1.Material: 40Cr,45# Steel,35CrMo steel 2.Finished: Plating,Phosphating,Oxide Painting 3.Grade:8.8, ... & nut with different styles and sizes.1>.Material: 40Cr, 45# Steel, 35CrMo steel2>.Surface: Z.P. Black, Hot Dip, Plating, Phosphating ... quality, Competitive price, Fast delivery, Best service We can produce all kinds of bolts according to your requirements. Truck Steel U-Bolt