Your pictures show a deadly dangerous mismatch between the lug nuts and the wheels. The wheels do not have a taper for the nuts to engage, and the squared-off shoulder of the wheel hole will damage the taper of the nut very quickly and cause the nuts to loosen up. Either get a machine shop to cut an accurate taper in the wheel holes to match the lug nuts, or use a flat nut with a thrust washer for a hub-centric wheel. Is the hole in the wheel a snug fit on the machined part of the hub? Those wheels were never intended to be mounted in a stud-centered application.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!