how can i tell if a cam is damaged and cant be used? is light scratches, but smooth to the touch, that doesnt even catch a fingernail when run over it still good or is it bad?

whats the limit?

 

If you can't feel it when you scratch the surface its ok.

 

what if i can feel it? can it be fixed, or do i just throw it in the trash or make it a nice paper weight?

 

one trick I've heard of (but never had to use myself) is running a penny across it. That should tell you what you have.

If there are any questions, then take the cams and head past a machine shop and let them have a look. They deal with things like this daily.

 

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