what wheels are you wanting nuts for? a flanged nut is for one style only, hub piloted, not what most of us have, which use stud centered lug nuts, the bull nose of the nut fits into the depression around the hole to center it ... see here

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot