what lugnuts to use?

OK i just picked up some cheap z71 wheels, and tried the Mazda 21mm lug nuts but it looks as if the lug nut would "pull" through the wheel. The mating surface is on the edge of the lug nut. What oversize lug nut should I use?

You need 12X1.50 acorn nuts. They normally have a cap on them and are 19mm wrench size.

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this is what I currently have. I bought those as extras for my AR wheels.

is this what I need?