3/8-16 Coarse Silicon Bronze Heavy Hex Nut

1/2-13 Coarse Hot Dipped Galvanized Grade Dh Heavy Hex Nut

3/4-10 Coarse Hot Dipped Galvanized Grade Dh Heavy Hex Nut.

5/8-11 Coarse Hot Dipped Galvanized Grade Dh Heavy Hex Nut

1/2-20 Fine Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

1/4-28 Fine Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

3/4-16 Fine Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

3/8-24 Fine Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

5/16-24 Fine Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

5/8-18 Fine Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

7/16-20 Fine Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

7/8-14 Fine Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

9/16-18 Fine Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

1-8 Coarse Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

1-1/2-6 Coarse Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut

1-1/4-7 Coarse Cadmium Yellow Zinc and Wax Grade L9 Finished Hex Nut