Outfit your semi truck to be Ready for the Road Ahead with wheels tightly secured to your axle, with the Dorman 1 1/8"-16 Carbon Steel Conical Seat 90° Wheel Lug Nut. To distribute weight, this replacement lug nut bolts wheels directly to the main axle, while resisting damage from vibrations, shocks, and applied torque. Fashioned with durable carbon steel and a specialized coating to resist harm from rust, corrosion, and salt. FleetPride is your First Click in Heavy Duty .