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TB/T 1479-1991
Axle end bolt for rail vehicle axle-hexagon head bolts for rough pole
Nom
P
b max
b min
ds max
ds min
k max
k min
e min
s max
s min
r max
r min
M20
2.5
50
45
20
19.48
13.35
12.65
33.6
30
29.67
1.5
0.8
M22
2.5
50
45
22
21.48
14.35
13.65
35.7
32
31.71
1.5
0.8
M24
3
55
50
24
23.48
15.35
14.65
40.2
36
35.71
1.5
0.8
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