hub bolt for mitsubishi 1. Material: SAE1045,SAR5140,SAE4135 2.Quality Grade: ... .8,10.9,12.9 3.Surface: Galvanized,Phosphated, hub bolt for mitsubishi1. Material: 45#(SAE1045)/40Cr(SAR5140)/35Crmo(SAE4135)2 ... . Looking forward to establish Long-Term Cooperation with you. hub bolt for mitsubishi