... ,SAE4135 2.Quality Grade: 8.8,10.9,12.9 3.Surface: Galvanized,Phosphated, hub bolt for mitsubishi1. Material: 45#(SAE1045)/40Cr ... (SAR5140)/35Crmo(SAE4135)2.Quality Grade: 8.8,10.9,12.9-grade3 ... appreciated. Looking forward to establish Long-Term Cooperation with you. hub bolt for mitsubishi