INTRODUCTION
Torque - Minimum tightening torques for normal assembly
Magnum 235, Magnum 260, Magnum 290, Magnum 315, Magnum 340, Magnum 370
METRIC NON-FLANGED HARDWARE
NOM.
SIZE
CLASS 8.8 BOLT and
CLASS 8 NUT
CLASS 10.9 BOLT and
CLASS 10 NUT
LOCKNUT
CL.8
W/CL8.8
BOLT
LOCKNUT
CL.10
W/CL10.9
BOLT
UNPLATED
PLATED
W/ZnCr
UNPLATED
PLATED
W/ZnCr
M4
2.2
N·m
(
19
lb
in
)
2.9
N·m
(
26
lb
in
)
3.2
N·m
(
28
lb
in
)
4.2
N·m
(
37
lb
in
)
2
N·m
(
18
lb in
)
2.9
N·m
(
26
lb
in
)
M5
4.5
N·m
(
40
lb
in
)
5.9
N·m
(
52
lb
in
)
6.4
N·m
(
57
lb
in
)
8.5
N·m
(
75
lb
in
)
4
N·m
(
36
lb in
)
5.8
N·m
(
51
lb
in
)
M6
7.5
N·m
(
66
lb
in
)
10
N·m
(
89
lb
in
)
11
N·m
(
96
lb
in
)
15
N·m
(
128
lb
in
)
6.8
N·m
(
60
lb
in
)
10
N·m
(
89
lb
in
)
M8
18
N·m
(
163
lb
in
)
25
N·m
(
217
lb
in
)
26
N·m
(
234
lb
in
)
35
N·m
(
311
lb
in
)
17
N·m
(
151
lb
in
)
24
N·m
(
212
lb
in
)
M10
37
N·m
(
27
lb ft
)
49
N·m
(
36
lb
ft
)
52
N·m
(
38
lb ft
)
70
N·m
(
51
lb
ft
)
33
N·m
(
25
lb
ft
)
48
N·m
(
35
lb
ft
)
M12
64
N·m
(
47
lb ft
)
85
N·m
(
63
lb
ft
)
91
N·m
(
67
lb ft
)
121
N·m
(
90
lb
ft
)
58
N·m
(
43
lb
ft
)
83
N·m
(
61
lb
ft
)
M16
158
N·m
(
116
lb
ft
)
210
N·m
(
155
lb ft
)
225
N·m
(
166
lb
ft
)
301
N·m
(
222
lb
ft
)
143
N·m
(
106
lb
ft
)
205
N·m
(
151
lb
ft
)
M20
319
N·m
(
235
lb
ft
)
425
N·m
(
313
lb ft
)
440
N·m
(
325
lb
ft
)
587
N·m
(
433
lb
ft
)
290
N·m
(
214
lb
ft
)
400
N·m
(
295
lb
ft
)
M24
551
N·m
(
410
lb
ft
)
735
N·m
(
500
lb ft
)
762
N·m
(
560
lb
ft
)
1016
N·m
(
750
lb ft
)
501
N·m
(
370
lb
ft
)
693
N·m
(
510
lb
ft
)
NOTE:
M4 through M8 hardware torque specifications are shown in pound-inches. M10 through M24 hardware torque
specifications are shown in pound-feet.
47533562 02/10/2013
9