Hex Coupling Nuts by U.S. (Imperial) Diameter
#1 Hex Coupling Nuts
#2 Hex Coupling Nuts
#3 Hex Coupling Nuts
#4 Hex Coupling Nuts
#6 Hex Coupling Nuts
#8 Hex Coupling Nuts
#10 Hex Coupling Nuts
#12 Hex Coupling Nuts
1/4 Hex Coupling Nuts
5/16 Hex Coupling Nuts
3/8 Hex Coupling Nuts
7/16 Hex Coupling Nuts
1/2 Hex Coupling Nuts
9/16 Hex Coupling Nuts
5/8 Hex Coupling Nuts
3/4 Hex Coupling Nuts
7/8 Hex Coupling Nuts
1 Hex Coupling Nuts
1 1/8 Hex Coupling Nuts
1 1/4 Hex Coupling Nuts
1 3/8 Hex Coupling Nuts
1 1/2 Hex Coupling Nuts
1 3/4 Hex Coupling Nuts
2 Hex Coupling Nuts
3 Hex Coupling Nuts