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A series : Axial Locking
Locking Mold : axial (horizontal),
    three-point of cooper screws
    locking
Material : JIS G4105 (SCM440),
   DIN 17204 (42CrMo4)
Hardness : HRC 30 ±2
Thread Tolerance : ISO 4H
Notes : apply for high rigidity
   interchangeable with F series
   


           
                             
Precision Locknuts
C series: Clasp Axial Locking
F series:  Flank Locking
R series:  Radial Locking



               


 



 


    
           


thread
D
h
g
t
d
n- M
Max. Nm


A M14x1.5
30
14
4
2
25
2-M4
3.5
A M15x1
A M16x1.5
A M17x1
32
16
27
A M18x1.5
A M20x1
38
33
3-M4
4.5
A M20x1.5
A M22x1.5
A M24x1.5
18
5
A M25x1.5
A M27x1.5
40
35
A M30x1.5
45
40
A M33x1.5
50
45
A M35x1.5
52
47
3-M6
8.0
A M36x1.5
A M39x1.5
58
20
6
2.5
52
A M40x1.5
A M42x1.5
62
56
A M45x1.5
65
59
A M48x1.5
70
64
A M50x1.5
A M52x1.5
73
22
7
3
68
A M55x2
75
A M56x2
A M60x2
80
73
A M64x2
85
78
A M65x2
A M68x2
92
24
8
3.5
84
3-M8
18.0
A M70x2
A M72x2
94
86
A M75x2
98
90
A M76x2
A M80x2
105
96
A M85x2
110
102
A M90x2
120
26
10
4
108
A M95x2
125
113
A M100x2
130
118
A M105x2
140
28
12
5
125
3-M10
35.0
A M110x2
145
132
A M115x2
150
137
A M120x2
155
30
142
A M125x2
160
147
A M130x2
165
152
A M135x2
175
32
14
6
160
3-M12
60.0
A M140x2
180
165
A M145x2
190
175
A M150x2
195
180
A M155x3
200
34
16
7
180
A M160x3
210
190
A M165x3
210
190
A M170x3
220
200
A M180x3
230
36
18
8
205
A M190x3
240
215
A M200x3
250
38
225
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