Operating Manual

Appendix: Tabular Data
Guide to Ultrasonic Inspection of Fasteners Page 35
12-THREAD SERIES, 12UN
Sizes
Primary in.
Secondary
in.
Basic Major Diameter
in.
Tensile Stress Area
Sq. in.
9/16 0.5625 0.182
5/8 0.6250 0.232
11/16 0.6875 0.289
3/4 0.7500 0.351
13/16 0.8125 0.420
7/8 0.8750 0.495
15/16 0.9375 0.576
1 1.0000 0.663
1 1/16 1.0625 0.756
1 1/8 1.1250 0.856
1 3/16 1.1875 0.961
1 1/4 1.2500 1.073
1 5/16 1.3125 1.191
1 3/8 1.3750 1.315
1 7/16 1.4375 1.445
1 1/2 1.5000 1.58
1 9/16 1.5625 1.72
1 5/8 1.6250 1.87
1 11/16 1.6875 2.03
1 3/4 1.7500 2.19
1 13/16 1.8125 2.35
1 7/8 1.8750 2.53
1 15/16 1.9375 2.71
2 2.0000 2.89
2 1/8 2.1250 3.28
2 1/4 2.2500 3.69
2 3/8 2.3750 4.13
2 1/2 2.5000 4.60
2 5/8 2.6250 5.08
2 3/4 2.7500 5.59
2 7/8 2.8750 6.13
3 3.0000 6.69
3 1/8 3.1250 7.28
3 1/4 3.2500 7.89
3 3/8 3.3750 8.52
3 1/2 3.5000 9.18
3 5/8 3.6250 9.86
3 3/4 3.7500 10.57
3 7/8 3.8750 11.30
4 4.0000 12.06
4 1/8 4.1250 12.84
4 1/4 4.2500 13.65
4 3/8 4.3750 14.48
4 1/2 4.5000 15.3
4 5/8 4.6250 16.2
4 3/4 4.7500 17.1
4 7/8 4.8750 18.0
5 5.0000 19.0
5 1/8 5.1250 20.0
5 1/4 5.2500 21.0
5 3/8 5.3750 22.0
5 1/2 5.5000 23.1
5 5/8 5.6250 24.1
5 3/4 5.7500 25.2
5 7/8 5.8750 26.4
6 6.0000 27.5
16-THREAD SERIES, 16UN
Sizes
Primary in.
Secondary
in.
Basic Major Diameter
in.
Tensile Stress Area
Sq. in.
3/8 0.3750 0.0775
7/16 0.4375 0.1114
1/2 0.5000 0.151
9/16 0.5625 0.198
5/8 0.6250 0.250
11/16 0.6875 0.308
3/4 0.7500 0.373
13/16 0.8125 0.444
7/8 0.8750 0.521
15/16 0.9375 0.604
1 1.0000 0.693
1 1/16 1.0625 0.788
1 1/8 1.1250 0.889
1 3/16 1.1875 0.997
1 1/4 1.2500 1.111
1 5/16 1.3125 1.230
1 3/8 1.3750 1.356
1 7/16 1.4375 1.488
1 1/2 1.5000 1.63
1 9/16 1.5625 1.77
1 5/8 1.6250 1.92
1 11/16 1.6875 2.08
1 3/4 1.7500 2.24
1 13/16 1.8125 2.41
1 7/8 1.8750 2.58
1 15/16 1.9375 2.77
2 2.0000 2.95
2 1/8 2.1250 3.35
2 1/4 2.2500 3.76
2 3/8 2.3750 4.21
2 1/2 2.5000 4.67
2 5/8 2.6250 5.16
2 3/4 2.7500 5.68
2 7/8 2.8750 6.22
3 3.0000 6.78
3 1/8 3.1250 7.37
3 1/4 3.2500 7.99
3 3/8 3.3750 8.63
3 1/2 3.5000 9.29
3 5/8 3.6250 9.98
3 3/4 3.7500 10.69
3 7/8 3.8750 11.43
4 4.0000 12.19
4 1/8 4.1250 12.97
4 1/4 4.2500 13.78
4 3/8 4.3750 14.62
4 1/2 4.5000 15.5
4 5/8 4.6250 16.4
4 3/4 4.7500 17.3
4 7/8 4.8750 18.2
5 5.0000 19.2
5 1/8 5.1250 20.1
5 1/4 5.2500 21.1
5 3/8 5.3750 22.2
5 1/2 5.5000 23.2
5 5/8 5.6250 24.3
5 3/4 5.7500 25.4
5 7/8 5.8750 26.5
6 6.0000 27.7