Painting sand blasted fasteners body color - how would you do it?

So I decided the other day to sand blast all of my fender, door hinge, and trunk bolts. I want to paint them to match my new body color.

But, I was wondering about the primer. Can I just shoot them with self etching and spray color (acrylic enamel) on top of that? Or should I spray a sealer on them then the color?

What would you guys recommend?