Titanium Hex Lug Nut 5/8'' - 11. These are a forged hex nut made from titanium 6/4. Both ends are chamfered with a 45 degree bevel. The flats take a 1" socket or wrench. Always use a small dab of moly grease or assembly paste when installing these nuts. Min UTS 150Ksi (1034Mpa).