Lug nuts can be made of various materials, including steel, aluminum, carbon fiber, and titanium. Steel is usually the cheapest, widely available, and adequately strong, but it can corrode and is also really heavy which adds to your unsprung weight. Aluminum is more expensive, and not as strong, but lighter, and corrosion resistant.
Titanium lug nuts are extremely lightweight, corrosion-resistant, heat-resistant, and really strong, but are expensive and limited.
It's important to choose lug nuts that are the correct size and fit for your vehicle. Check the thread size, seat type, and length of the lug nuts to ensure proper fitment. Additionally, if you have aftermarket wheels, ensure that the lug nuts are compatible with the wheel's bolt pattern and hub diameter.
Aftermarket lug nuts come in a wide variety of styles and finishes, from simple chrome or black to more intricate designs. Choose a style that complements the look of your vehicle and your personal preference while also securing your wheels as tightly as possible.
An off-road environment is known to scratch and destroy lug nuts quite easily. This is why you should not go for steel as it can easily corrode while also avoiding aluminum as it can scratch really easily. On the other hand, if you spend most of your time on the highway, going for titanium or aluminum lugs is better as these are lighter and better looking.
It's important to know the correct pitch and thread size for your vehicle when purchasing new lug nuts. Using the wrong size or pitch can lead to improper fitment, which can result in the lug nuts coming loose or even causing damage to the wheel studs or wheels.