Ensure your semi truck is Ready for the Road Ahead with wheels tightly secured to your axle, with the Dorman 1 1/8"-16 Carbon Steel Conical Seat 60° Wheel Lug Nut. By effectively bolting the wheels to the main axle, this replacement lug distributes vehicle weight - while resisting damage from applied torque, vibrations, and shocks. Forged with durable carbon steel and an external coating to guard against salt, corrosion, and rust. FleetPride is your First Click in Heavy Duty .