lug nuts - A typical site in your neighborhood auto garage is actually a mechanic tightening up the lug nuts on your own car with an impact wrench. You hear the most popular screech from the impact wrench as it makes quick work in the lug nuts. Additionally you probably rarely notice that same mechanic actually use a torque wrench. Impact wrenches are wonderful tools nevertheless they will and can over tighten the lug nuts on your own car. In the beginning that doesn't seem like a bad thing. Tight is good, right? Not necessarily.Most manufacturers recommend employing a torque wrench when tightening lug nuts. They are going to specify a certain ft/lb to dial in on the torque wrench. This insures the nuts are tightened properly. Over tightening can harm the studs and perhaps lead to a failure in the future. Is what will happen. Once the nuts are tightened, the studs will stretch. This tension holds the wheels on to the rim. In the event you over tighten the studs it is possible to damage they and them could fail.lug nuts - The very best approach is to use your impact wrench to snug in the nuts. Then go back using a torque tighten and wrench towards the manufacturer specifications. Next time you are having your tires rotated or changed, make sure the mechanic uses a torque wrench and the correct torque. Getting the proper tools makes a big difference and will extend the lifestyle of your own car.