Grade 5 Flange Nuts

1/4-20 Grade 5 Zinc Finish Serrated Hex Flange Nut-Pkg. 100

5/16-18 Grade 5 Zinc Finish Serrated Hex Flange Nut-Pkg. 100

3/8-16 Grade 5 Zinc Finish Serrated Hex Flange Nut-Pkg. 50

1/2-13 Grade 5 Zinc Finish Serrated Hex Flange Nut-Pkg. 50