BMW K75 [7/461] Tightening torque
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BMW K75 [7/461] Tightening torque

BMW K75 [7/461] Tightening torque
Tightening torques
BMW
N 600
02
.0
Valid only for bolts and screws to
German
DIN 912, 931, 933, 960, 961 and 6912 standard and nuts with a height
of
0.8
x
dto
DIN
934
standard, sOlelyfortotal1l = 0.14
(Boltor
screw phosphatised, nut galvanized
or
untreated. Either oiled
or
dry.)
For
cadmium-plated bolts
or
nuts (total
I'
==
0.08 to 0.09) the tightening torque for the
same
strength limit utilisation
of
the bolt material must be
30%
lower than stated in the table.
Not
valid if the thread has any other surface treatment
or
lubrication,
or
for different nut heights. In such cases the
values must be specially calculated.
Not valid for screws
or
bolts
of
the expansion type, for self-locking threaded connections
or
when components
made
from different materials are used to form the threaded joint.
The strength utilisation factor for balls with standard metric thread is:
~E>d
-o,üg:-o?2]
Tightening torque M
A
(Nm)
Tighteningtorque, max. (Nm)
Threaded connection class
111
M
sp
= MAmax.
M
A
= 0,
89
x
Msp
±
12%
Strength classification ace. to DIN 267
Strength classification ace. to DIN 267
Thread 5.6
6.8 6.9 8.8 10.9 12.9 5.6 6.8 6.9 8.8
10.9 12.9
M6
4.7 7.5 8.4 9.9 14.0 16.5
4.2± 0
.5
6,7± 0,8 7.5±
0.9
8.8±
1.1
12.5± 1.5
14
.7± 1.8
M8
11.0
18
.0 20.0 24.0
34
.0
40
.0
9.8±
1.2
16.0±
19
17.8± 2.1
21.4
± 2.6
30.3± 3.6 35.6± 4.3
M10
23
.0 36.0 40.0 47.0 66.0 79.0
20.5±
2.5
32
.0± 3.8 35.6±
4.3
41.8±
5.0
58.7± 7.1
70.3± 8.4
M8
x 1
12.0 19.5 22.0 25.0 36.0 44.0
10.7
± 1.3
17.4± 2.1
19.6± 2.4 23
.1
± 2.8
32
.0± 3.8 39.2± 4.7
M10
x 1 25.0
40.0 45.0
54.0
75
.0 91.0
22.3± 2.7
35
.6± 4.3
40
.1
± 4.8 48.1 ± 5.8 66.8± 8.0 81.0± 9.7
M12
x 1.5 41.0 55.5 73.5
87
.0 123.0
147
.0
36.5± 4.4
49.4±
5.9
65.4±
7.9
77.4±
9.3
109
.5±
13
.1
130
.8
±15.7
M14x1.5
67.0 107.0 120.0
143.0 200.0 240.0
50.7± 6.!
95.2±
11.4
106.7±
12.8
127.3±
15
.3
178
.0±
21.4
213.6±
256
M16
x1
.5 101.0 162.0 182.0 216.0 303.0
364
.0
89.9±
10
.8
144
.2±
17
.3
162.0±
19.4
192.2±
23.1
269
.7±32.4
324.0
±38.9
M18x1.5
147
.0 234.0 264.0
313
.0 440.0 527.0
130.8±
15
.7 208.3
±25.
0 235.0
±2
82
278.6
±33.4
391 .6±
47
.0 469.0±56
.3
M20x1
.5 204.0 326.0 367.0 435.0 612.0 734.0
181.6
±2
1.8
290.1
±34.
8
326
.
6±39.2
387.2±
46.5
544.7
±65.4
653.3
±7
8
.4
The values stated in the above tables apply
to
threaded connections in accordance with the above conditions.
The
tightening torque including tolerance is only indicated
on
the general arrangement
or
assembly
drawing if:
a) a value wh ich differs from the Standard is needed for functional reasons,
b) the strength classification
of
the bolt and nut is not evident.
Important note: All deviations from this table are individually stated in the Specifications.
8.87
00
-
05
.0
by a kind approval of the BMW AG for
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