You may be able to find a stud that has a bigger shank that will fit snugly in the hole. I would be careful about trying to tack weld a stud in place.
Another alternative would be to get the hub hole welded and redrilled. Assuming you can find someone to do that for you.
But hubs shouldn't be that hard to find, so replacing it would be the best approach.


Kevin
1951 Chevy 3100 work truck
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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.