... 8.8,9.8,10.9Brand of bolt:jinliang,jiajin,u brandMaterial: mild steel,1035steel,1045steel,5140steelSurface protection: paint, black oxide ... , electrophoresis, polishing etc.Satisfaction Service:1.we can produce the u-bolt productions by your drawing or samples2.we can supply ... us.Please feel free to contact with us. stainless Steel u bolt Nuts for heavy truck