Dimensional Hex Nut Information

| Finish Pattern | Heavy Pattern |

Finished Patterns

Tap Size
TPI Finished Full Hex Nuts
Grades 2, 5 & 8
A563 Grades A & B
NC/NF Threads
Finished Jam Hex Nuts
Grades 2, 5 & 8
NC/NF Threads
N.C. N.F. W.A.F. Thick W.A.F. Thick
1/4 20 28 7/16 7/32 7/16 5/32
5/16 18 24 1/2 17/64 1/2 3/16
3/8 16 24 9/16 21/64 9/16 7/32
7/16 14 20 11/16 3/8 11/16 1/4
1/2 13 20 3/4 7/16 3/4 5/16
9/16 12 18 7/8 31/64 7/8 5/16
5/8 11 18 15/16 35/64 15/16 3/8
3/4 10 16 1 1/8 41/64 1 1/8 27/64
7/8 9 14 1 5/16 3/4 1 5/16 31/64
1 8 14 1 1/2 55/65 1 1/2 35/64
1 12 12 1 1/2 55/64 1 1/2 35/64
1 1/8 7 12 1 11/16 31/32 1 11/16 39/64
1 1/4 7 12 1 7/8 1 1/16 1 7/8 23/32
1 3/8 6 12 2 1/16 1 11/64 2 1/16 25/32
1 1/2 6 12 2 1/4 1 9/32 2 1/4 27/32
1 5/8 5 ½ 12 2 7/16 1 25/64 2 7/16 29/32
1 3/4 5 12 2 5/8 1 1/2 2 5/8 31/32
1 7/8 5 12 2 ¾ 1 3/4 2 3/4 1 1/32
2 4 1/2 12 3 1 23/32 3 1 3/32
2 1/4 4 1/2 12 3 3/8 1 59/64 3 3/8 1 13/64
2 1/2 4 12 3 3/4 2 9/64 3 ¾ 1 29/64
2 3/4 4 12 4 1/8 2 23/64 4 1/8 1 37/64
3 4 12 4 1/2 2 37/64 4 1/2 1 45/64






Heavy Pattern Hex Nuts

Tap Size TPI Heavy Full Hex Nuts
Grades 2, 5 & 8
A563 Grades A & B
Heavy Jam Hex Nuts
Grades 2, 5 & 8

W.A.F. Thick W.A.F. Thick
1/4 20 1/2 15/64 1/2 11/64
5/16 18 9/6 19/64 9/16 13/64
3/8 16 11/16 23/64 11/16 15/64
7/16 14 3/4 27/64 3/4 17/64
1/2 13 7/8 31/64 7/8 19/64
9/16 12 15/16 35/64 15/16 21/64
5/8 11 1 1/16 39/64 1 1/16 23/64
3/4 10 1 1/4 47/64 1 1/4 27/64
7/8 9 1 7/16 55/64 1 7/16 31/64
1 8 1 5/8 63/64 1 5/8 35/64
1 1/8 7 1 13/16 1 7/64 1 13/16 39/64
1 1/4 7 2 1 7/32 2 23/32
1 3/8 6 2 3/16 1 11/32 2 3/16 25/32
1 1/2 6 2 3/8 1 15/32 2 3/8 27/32
1 5/8 5 ½ 2 9/16 1 19/32 2 9/16 29/32
1 3/4 5 2 3/4 1 23/32 2 3/4 31/32
1 7/8 5 2 15/16 1 27/32 2 15/16 1 1/32
2 4 1/2 3 1/8 1 31/32 3 1/8 1 3/32
2 1/4 4 1/2 3 1/2 2 13/64 3 1/2 1 13/64
2 1/2 4 3 7/8 2 29/64 3 7/8 1 29/64
2 3/4 4 4 1/4 2 45/64 4 1/4 1 37/64
3 4 4 5/8 2 61/64 4 5/8 1 45/64
3 1/4 4 5 3 3/16
3 1/2 4 5 3/8 3 7/16
3 3/4 4 5 3/4 3 11/16
4 4 6 1/8 3 15/16