UNF Hex Full Nuts Zinc Plated 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 9/16, 3/4, 7/8
1/4 UNF - 28 tpi
5/16 UNF - 24 tpi
3/8 UNF - 24 tpi
7/16 UNF - 20 tpi
1/2 UNF - 20 tpi
5/8 UNF - 18 tpi
9/16 UNF - 18 tpi
3/4 UNF - 16 tpi
7/8 UNF - 14 tpi