Appendix
10 — 2
11_0003_0507GB
The tables below give the maximum tightening torques (maximum
torque) in Nm for a friction factor of mtotal = 0.14, with the thread
lightly-oiled or lightly-greased.
Notes
All tightening torques X 1.1 apply for bolts with cement in the thread.
Set screws -- metric triangular thread, DIN 13, Part 13
Dimensions
[mm]
Tightening torque
Md [Nm]
M
SW
8.8
10.9
12.9
M 4
7
3.0
4.4
5.1
M 5
8
5.9
8.7
10
M 6
10
10
15
18
M 8
13
25
36
43
M 10
17
49
72
84
M 12
19
85
125
145
M 14
22
135
200
235
M 16
24
210
310
365
10000900
M 18
27
300
430
500
10000900
M 20
30
425
610
710
SW = Width across flats (A/F)
X.X = Grade 8.8, 10.9, 12.9
M 22
32
580
820
960
SW = Width across flats (A/F)
X.X = Grade 8.8, 10.9, 12.9
M 24
36
730
1050
1220
M 27
41
1100
1550
1800
M 30
46
1450
2100
2450
Set screws -- metric precision thread, DIN 13, Part 13
Dimensions
[mm]
Tightening
torque Md [Nm]
M
SW
8.8
10.9 12.9
M 8
¢
1
13
27
39
46
M 10
¢
1.25
17
52
76
90
M 12
¢
1.25
19
93
135
160
M 12
¢
1.5
19
89
130
155
M 14
¢
1.5
22
145
215
255
M 16
¢
1.5
24
225
330
390
M 18
¢
1.5
27
340
485
570
10000900
M 20
¢
1.5
30
475
680
790
10000900
M 22
¢
1.5
32
630
900
1050
SW = Width across flats (A/F)
X.X = Grade 8.8, 10.9, 12.9
M 24
¢
2
36
800
1150
1350
SW = Width across flats (A/F)
X.X = Grade 8.8, 10.9, 12.9
M 27
¢
2
41
1150
1650
1950
M 30
¢
2
46
1650
2350
2750
