Operating Manual

Appendix: Tabular Data
Guide to Ultrasonic Inspection of Fasteners Page 31
METRIC STANDARD THREAD
WAIST BOLTS
Sizes
mm
Pitch
mm
Waist Diameter
mm
Tensile Stress Area
Sq. mm
M 4 0.7 2.83 6.28
M 5 0.8 3.62 10.3
M 6 1.0 4.30 14.5
M 7 1.0 5.20 21.2
M 8 1.25 5.82 26.6
M 10 1.5 7.34 42.4
M 12 1.75 8.87 61.8
M 14 2.0 10.4 84.8
M 16 2.0 12.2 117
M 18 2.5 13.4 142
M 20 2.5 15.2 182
M 22 2.5 17.0 228
M 24 3.0 18.3 263
M 27 3.0 21.0 346
M 30 3.5 23.1 420
M 33 3.5 25.8 524
M 36 4.0 28.0 615
M 39 4.0 30.7 739
METRIC FINE THREAD
WAIST BOLTS
Sizes
mm
Pitch
mm
Waist Diameter
mm
Tensile Stress Area
Sq. mm
M 8 1.0 6.10 29.2
M 9 1.0 7.00 38.4
M 10 1.0 7.90 49.0
M 10 1.25 7.62 45.6
M 12 1.25 9.42 69.7
M 12 1.5 9.14 65.7
M 14 1.5 10.94 94.1
M 16 1.5 12.74 128
M 18 1.5 14.54 166
M 18 2.0 13.99 154
M 20 1.5 16.34 210
M 22 1.5 18.14 259
M 24 1.5 19.94 312
M 24 2.0 19.39 295
M 27 1.5 22.64 403
M 27 2.0 22.09 383
M 30 1.5 25.34 504
M 30 2.0 24.79 483
M 33 1.5 28.04 618
M 33 2.0 27.49 594
M 36 1.5 30.74 742
M 36 3.0 29.09 664
M 39 1.5 33.44 878
M 39 3.0 31.79 794