5/16-18 in. Plain Finish Heavy Hex Nut

51618HHN

1/2-13 in. A194 Heavy Hex Nut

1213HHNA194I

1/4-20 in. Heavy Hex Nut

25CNHH

5/16-18 in. Heavy Hex Nut

31CNHH

5/16-18 in. Zinc Plated Heavy Hex Nut

31CNHHZ

1/4-20 in. Grade 2H Heavy Hex Nut

25CN2H

5/16-18 in. Grade 2H Heavy Hex Nut

31CN2H

1/4-20 in. Stainless Steel Heavy Hex Nut

25CNHHS

M16-2.0 mm Class 10.9 DIN 6915 Heavy Hex Nut

.16CNHHK/D6915

5/8-11 in. Stainless Steel Heavy Hex Nut

62CNHHS

1-1/8-7 in. A325 Hot Dip Galvanized Heavy Hex Nut

112CNA3G

1-3/4 in. Galvanized Heavy Hex Nut

175CNHHG

1/4-20 in. Zinc Plated Heavy Hex Nut

25CNHHZ

1/4-20 in. 316 Stainless Steel Heavy Hex Nut

25CNHH3

3/4-10 in. Heavy Hex Nut

75CNHH