Hub (Wheel) Bolt( wheel bolt,flange bolt,wheel stud,bolt) Hub (Wheel) Bolt( wheel bolt,flange bolt,wheel stud,bolt)We can supply hub (wheel) bolts and nuts, wheel studs, wheel nuts, and flange bolts.Size: 1/2-1 3/4", M12-M42Grade: Class 8.8, 10.9 & 12.9, Grade 5, 8 & 10Material: Steel