Who makes axle housing studs?

Parts at a Chryco dealership. That's rich. After replacing the motor in my Caravan, I didn't have time to finish bolting the cowl in. Needless to say, the Monday following, we have the worst rainstorm of the summer, and I am outside at work getting it together so I can drive home. Last item needed? The wiper nuts. And I cant find them anywhere. I call the nearest Chryco dealer and they tell me, No, not in stock. No, none in city. Two weeks to order and $8 each. So I drive to the nearest Crappy tire, plunk down .65 and screw the exact same nuts on. LOL

Grant