Tightening torques
If the repair instructions do not give any specified tightening torque for a screw or nut, use the tightening torques
given in the table. If a tightening torque is given without a specific tolerance, the tolerance is ±10%.
Tightening torques, metric standard thread (ISO).
Dim.
Tightening torques Nm
Quality, surface treatment, material and so on
8.8 lubr.
tol. ±
8.8 Zne
1)
tol. ±
8.8 Znk
2)
tol. ±
10.9 lubr.
tol. ±
12.9 lubr.
tol. ±
M4
-
-
-
-
-
-
-
-
-
-
M5
6.4
0.6
5.7
0.5
-
-
9
1
11
1
M6
11
1
10
1
12
1.2
15
1.5
18
2
M8
25
2
23
2
30
3
35
4
45
5
M10
50
5
45
5
60
5
70
7
90
10
M12
90
10
80
8
100
10
125
10
151
15
M14
140
15
125
10
160
15
200
20
240
20
M16
220
20
195
20
250
25
300
30
370
40
M18
300
30
270
30
350
35
430
40
510
50
M20
430
40
380
40
480
50
600
60
720
70
M22
570
60
500
50
650
65
800
80
970
100
M24
740
70
660
70
830
80
1 030
100
1 250
120
M27
1 100
100
950
100
1 200
120
1 500
150
1 800
180
M30
1 500
150
1 300
130
1 600
160
2 040
200
2 500
250
1)
Zne = zinc electroplating
2)
Znk = hot galvanized
Repair
Model
T4 HiTech
Page
11
21.5.2015
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