Key Features: Wheel Stud Kit (10) 1/2-20 x 3 w/.625 Knurl. Wheel Stud - 1/2-20 in Thread - 3.000 in Long - 0.625 Knurl - Steel - Set of 10. Part Number: 8010. Back to top. State Restrictions. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.