That type of mounting surface (held away from the drums a bit) helps keep the wheel lugs tight, using the springiness of the steel. Maybe you just need longer lug studs.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
