wrote:

>>> Second question, are these "cut marks" on a lug nut normal?
>>> http://wetakepic.com/images/2018/02/17/dented_nuts.jpg
>>
>> Yes, they are there from the factory.
>
> Why? Not all nuts have this mark, and in the UK nuts with this mark are
> generally used for hoses that contain inflammable gases.

I also wonder why the cuts are there, all at the same depth on the nut.

A friend I just spoke to says his car has them too, so, they're pretty
common.

If they're made at the factory, why?