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JB/T 14721-2024
Slotted All-Metal Hexagon Lock Nuts(Type A, Transverse Double Slots)
Nom
P
e min
h max
h min
k min
s max
s min
M18
2.5
29.56
23.4
15.1
9.7
27
26.16
M20
2.5
32.95
26
16.9
10.9
30
29.16
M22
2.5
37.29
28.6
18.1
11.7
34
33
M24
3
39.55
31.2
20.2
13
36
35
M27
3
45.2
35.1
22.5
14.5
41
40
M30
3.5
50.85
37
24.3
15.7
46
45
M33
3.5
55.37
40
27.4
17.7
50
49
M36
4
60.79
43
29.4
19
55
53.8
M39
4
66.44
48
31.8
20.5
60
58.8
M42
4.5
71.3
50
32.4
20.9
65
63.1
M45
4.5
76.95
53
34.4
22.2
70
68.1
M48
5
82.6
57
36.4
23.5
75
73.1
M52
5
88.25
62
40.4
26.1
80
78.1
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