I just ordered a grill assy kit from either Brothers or Truck Shop can't remember which-wasn't cheap 15.00-something-but was stainless screws and nuts-if I had to do again would look at local Ace hardware that has a good selection of stainless screws and a small bottle of Loctite(for small fasteners).I think # 10 screws were mentioned -I believe that is the correct size for 55-56 grills.