A secure fit for the wheels on your car or truck is one of the most important factors in keeping your family safe on the road. Whatever you're driving, if it has wheels, it needs lug bolts. Lug bolts are essential to mounting and securing a well-balanced wheel for your vehicle. Without the secure fit given by properly installing and tightly fitting the right lug bolts, wheels can gradually move out of alignment and eventually detach from their axles.