Left vs right hand thread wheel studs.

This thread is killing me!

Bills65Dart said

This was sort of the normal for it to have any purpose. But, today when getting new car tires on my car, instead of trailer tires, I discovered that the left hand threads was on the left side of the car. And the right hand threaded studs on the right side of the car.

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Yes its normal, and your thinking isn't screwed up.

Sometimes, but not always, there are markings on the nuts or the studs. Nuts will have a different color or line on them. Studs may have an L stamped on the head. One set of Crager closed nuts I have uses a different size hex for the lefties. They are easy to work with. All you have to do is run your clock backwards.