HELP - Cragar SS Lug Nut Washers Keep Crushing - Need Alternatives!

The surface on my wheels are definitely flat, not conical at all... The marks you see in the photos are from the old washers grinding around, trying to tighten them. Once the lugnut sunk into the washers, it would spin the washer around as you try to tighten it. The biggest problem seems that practically there's no shoulder at all on the lugnuts to even grab the washer flat.
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