Car wheel Tuner Slim nuts inc locks locking. M12 x 1.5, Taper for Hyundai x 20
•Thread size: M12 x 1.5. What is M12 x 1.5?. •Seat type: 60 degree Taper. •Locking nuts. Radius - this looks like a bowl. This is the size of the thread. How do I know what nuts or bolts I need?. •Bolt material: Heat treated carbon alloy steel.