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Hexagon Head Bolts - Finished And Semi-Finished

CNS 3121 - 1998

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台湾CNS 3121 - 1998 CNS3121 3121CNS Hexagon Head Bolts - Finished And Semi-Finished
Screw Thread
d
M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20
P Pitch
b L≤125
125<L≤200
L>200
c min
max
da max
ds max=nominal size
A min
B min
dw A min
B min
e A min
B min
k Nominal Size
A min
max
B min
max
k1 A min
B min
r min
s max=nominal size
A min
B min
0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5
9 10 11 12 13 14 16 18 22 26 30 34 38 42 46
/ / / / / / / / / / / 40 44 48 52
/ / / / / / / / / / / / / / /
0.1 0.1 0.1 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.2 0.2 0.2
0.25 0.25 0.25 0.4 0.4 0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8
2 2.6 3.1 3.6 4.1 4.7 5.7 6.8 9.2 11.2 13.7 15.7 17.7 20.2 22.4
1.6 2 2.5 3 3.5 4 5 6 8 10 12 14 16 18 20
1.46 1.86 2.36 2.86 3.32 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67
/ / / / / / / / / / / / 15.57 17.57 19.48
2.27 3.07 4.07 4.57 5.07 5.88 6.88 8.88 11.63 14.63 16.63 19.37 22.49 25.34 28.19
/ / / / / / / / / / / / 22 24.85 27.7
3.41 4.32 5.45 6.01 6.58 7.66 8.79 11.05 14.38 17.77 20.08 23.36 26.75 30.14 33.53
/ / / / / / / / / / / / 26.17 29.56 32.95
1.1 1.4 1.7 2 2.4 2.8 3.5 4 5.3 6.4 7.5 8.8 10 11.5 12.5
0.975 1.275 1.575 1.875 2.275 2.675 3.35 3.85 5.15 6.22 7.32 8.62 9.82 11.285 12.285
1.225 1.525 1.825 2.125 2.525 2.925 3.63 4.15 5.45 6.58 7.68 8.98 10.18 11.715 12.715
/ / / / / / / / / / / / 9.71 11.15 12.15
/ / / / / / / / / / / / 10.29 11.85 12.85
0.68 0.89 1.1 1.31 1.59 1.87 2.36 2.7 3.61 4.35 5.12 6.03 6.87 7.9 8.6
/ / / / / / / / / / / / 6.8 7.81 8.51
0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.25 0.4 0.4 0.6 0.6 0.6 0.6 0.8
3.2 4 5 5.5 6 7 8 10 13 16 18 21 24 27 30
3.02 3.82 4.82 5.32 5.82 6.78 7.78 9.78 12.73 15.73 17.73 20.67 23.67 26.67 29.67
/ / / / / / / / / / / / 23.16 26.16 29.16
Screw Thread
d
(M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch
b L≤125
125<L≤200
L>200
c min
max
da max
ds max=nominal size
A min
B min
dw A min
B min
e A min
B min
k Nominal Size
A min
max
B min
max
k1 A min
B min
r min
s max=nominal size
A min
B min
2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6
50 54 60 66 / / / / / / / / / /
56 60 66 72 78 84 90 96 102 108 116 / / /
69 73 79 85 91 97 103 109 115 121 129 137 145 153
0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
0.8 0.8 0.8 0.8 0.8 0.8 1 1 1 1 1 1 1 1
24.4 26.4 30.4 33.4 36.4 39.4 42.4 45.6 48.6 52.6 56.6 63 67 71
22 24 27 30 33 36 39 42 46 48 52 56 60 64
21.67 23.67 / / / / / / / / / / / /
21.48 23.48 26.48 29.48 32.38 35.38 38.38 41.38 44.38 47.38 51.26 55.26 59.26 63.26
31.71 33.61 / / / / / / / / / / / /
31.35 33.25 38 42.75 46.55 51.11 55.86 59.95 64.7 69.45 74.2 78.66 83.41 88.16
37.72 39.98 / / / / / / / / / / / /
37.29 39.55 45.2 50.85 55.37 60.79 66.44 71.3 76.95 82.6 88.25 93.56 99.21 104.86
14 15 17 18.7 21 22.5 25 26 28 30 33 35 38 40
13.785 14.785 / / / / / / / / / / / /
14.215 15.215 / / / / / / / / / / / /
13.65 14.65 16.65 18.28 20.58 22.08 24.58 25.58 27.58 29.58 32.5 34.5 37.5 39.5
14.35 15.35 17.35 19.12 21.42 22.92 25.42 26.42 28.42 30.42 33.5 35.5 38.5 40.5
9.65 10.35 / / / / / / / / / / / /
9.56 10.26 11.66 12.8 14.41 15.46 17.21 17.91 19.31 20.71 22.75 24.15 26.25 27.65
0.8 0.8 1 1 1 1 1 1.2 1.2 1.6 1.6 2 2 2
34 36 41 46 50 55 60 65 70 75 80 85 90 95
33.38 35.38 / / / / / / / / / / / /
33 35 40 45 49 53.8 58.8 63.1 68.1 73.1 78.1 82.8 87.8 92.8

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