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Prevailing Torque Type Wire Thread Inserts - Fine Thread

GB /T 24425.3 - 2009

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国标GB /T24425.3 - 2009 GB24425.3 24425.3G Prevailing Torque Type Wire Thread Inserts - Fine Thread
Thread Size
M8 M10 M10 M12 M12 M12 M14 M14 M16 M18 M18 M20 M20 M22
P Pitch (Fine Thread)
F min
max
Dz min
max
T min
max
a min
max
R max
1 1.25 1 1.5 1.25 1 1.5 1.25 1.5 2 1.5 2 1.5 2
9.38 11.57 11.38 14.02 13.85 13.78 16.12 16.05 18.12 20.67 20.14 22.67 22.32 24.67
9.7 11.87 11.68 14.4 14.27 14.18 16.52 16.45 18.52 21.07 20.54 23.12 22.77 25.27
9.7 11.87 11.68 14.4 14.27 14.18 16.52 16.45 18.52 21.07 20.54 23.12 22.77 25.27
10.25 12.65 12.65 15 15 15 17.7 17.7 19.9 22 22 24.2 24.2 26.8
4.5 5.7 5.5 6.8 6.7 6.5 7.8 7.7 8.8 10.1 9.8 11.1 10.8 12.1
6.3 7.8 7.8 9.4 9.3 9.3 10.9 10.8 12.4 14 13.9 15.5 15.4 17
40° 40° 40° 30° 30° 30° 30° 30° 30° 30° 30° 30° 30° 30°
80° 80° 80° 70° 70° 70° 70° 70° 70° 70° 60° 60° 60° 60°
1 1.2 1 1.6 1.2 1.2 1.6 1.2 2 3 3 3 3 3
Thread Size
M22 M24 M24 M27 M27 M30 M30 M33 M33 M36 M36 M39 M39
P Pitch (Fine Thread)
F min
max
Dz min
max
T min
max
a min
max
R max
1.5 2 1.5 2 1.5 2 1.5 2 1.5 3 2 3 2
24.32 26.67 26.32 29.67 29.32 32.67 32.32 35.67 35.32 39.75 38.87 42.75 41.87
24.92 27.27 27.92 30.27 29.92 33.27 32.92 36.27 35.92 40.45 39.57 43.45 42.57
24.92 27.27 27.92 30.27 29.92 33.27 32.92 36.27 35.92 40.45 39.57 43.45 42.57
26.8 29.1 29.1 32.4 32.4 35.81 35.81 39.01 39.01 42.67 42.67 45.75 45.75
11.8 13.1 12.8 14.6 14.3 16.1 15.8 17.6 17.3 19.6 19.1 21.1 20.6
16.9 18.5 18.4 20.8 20.7 23 22.9 25.3 25.2 27.8 27.5 30.1 29.8
30° 30° 30° 30° 30° 30° 30° 30° 30° 30° 30° 30° 30°
60° 60° 60° 60° 60° 60° 60° 60° 60° 60° 60° 60° 60°
3 3 3 3 3 3 3 3 3 3 3 3 3

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