wheel hub bolt for Nissan CW450 Material: 40Cr Grade: 10.9 or 12.9 wheel hub bolt for Nissan CW450 1.Surface:black,phosphated,galvanized.. 2.Grade:4.8,8.8,10.9,12.9 3:Material:mild steel,45# steel,40Cr,42CrMohigh strength hub bolt, hub bolt and nut, high strenght bolts 10.91. Surface:black,phosphated,galvanized, Dacrotized2. Grade:4.8,8.8,10.9,12.93. Material:mild steel,45# steel,40Cr,42CrMo4. ...