Thanks for the additional details. I do understand your scenario. You don't need the attributes (not for SKU definitions), but you need a customization. There are custom dimensions reserved which can be implemented with help of a customization. You can…
You may also find something that could be workable for you in the Appsource catalog of existing ISV solutions. Some possible candidates might be:
There is no such OOB function in the standard product, you need to customize the system to achieve this.
I will move your thread to SCM forum for more help.
Can you use product attributes or re-use available groups? Do you need in total 6 dimension fields?
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