Basically, there are two types of lug nuts: cone-seat and shank style. The lug you choose depends on the wheels you use. Most factory and many aftermarket wheels use the cone-seat style ...

acorn-style lug nuts with the rims and tires. However, I ordered wheels and rims from Costco and just got them installed. They use the same shank/mag lug nuts. As a result, I’m confused.

What's called an ET-style lug nut also has a 60-degree conical seat with a short extended shank to allow for more thread engagement. Because 45-degree lug nuts have a wider surface contacting the ...