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L3130 · L3430 · L3830 · L4630 · L5030, WSM
5. TIGHTENING TORQUES
Screws, bolts and nuts whose tightening torques are not specified in this Workshop Manual should be
tightened according to tables below.
[1] GENERAL USE SCREWS, BOLTS AND NUTS
Indication on top of
bolt
Material of bolt
Material of opponent
Ordinariness
part
Unit
N·m
Diameter
7.85
M6
to
(6 mm, 0.24 in.)
9.31
17.7
M8
to
(8 mm, 0.31 in.)
20.5
39.3
M10
to
(10 mm, 0.39 in.)
45.1
62.8
M12
to
(12 mm, 0.47 in.)
72.5
108
M14
to
(14 mm, 0.55 in.)
125
167
M16
to
(16 mm, 0.63 in.)
191
246
M18
to
(18 mm, 0.71 in.)
284
334
M20
to
(20 mm, 0.79 in.)
392
No-grade or 4T
SS400, S20C
Aluminum
kgf·m
ft-lbs
N·m
kgf·m
0.80
5.79
7.85
0.80
to
to
to
to
0.95
6.87
8.82
0.90
1.8
13.1
16.7
1.7
to
to
to
to
2.1
15.1
19.6
2.0
4.0
29.0
31.4
3.2
to
to
to
to
4.6
33.2
34.3
3.5
6.4
46.3
to
to
–
–
7.4
53.5
11.0
79.6
to
to
–
–
12.8
92.5
17.0
123
to
to
–
–
19.5
141
25.0
181
to
to
–
–
29.0
209
34.0
246
to
to
–
–
40.0
289
S43C, S48C
Ordinariness
ft-lbs
N·m
kgf·m
ft-lbs
5.79
9.81
1.00
7.24
to
to
to
to
6.50
11.2
1.15
8.31
12.3
23.6
2.4
17.4
to
to
to
to
14.4
27.4
2.8
20.2
23.2
48.1
4.9
35.5
to
to
to
to
25.3
55.8
5.7
41.2
77.5
7.9
57.2
–
to
to
to
90.2
9.2
66.5
124
12.6
91.2
–
to
to
to
147
15.0
108
197
20.0
145
–
to
to
to
225
23.0
166
275
28.0
203
–
to
to
to
318
32.5
235
368
37.5
272
to
to
–
to
431
44.0
318
G-10
G GENERAL
7T
SCr435,
SCM435
Aluminum
Ordinariness
N·m
kgf·m
ft-lbs
N·m
7.85
0.80
5.79
12.3
to
to
to
to
8.82
0.90
6.50
14.2
17.7
1.8
13.1
29.5
to
to
to
to
20.5
2.1
15.1
34.3
39.3
4.0
29.0
60.9
to
to
to
to
44.1
4.5
32.5
70.6
62.8
6.4
46.3
103
to
to
to
to
72.5
7.4
53.5
117
167
–
–
–
to
196
260
–
–
–
to
304
344
–
–
–
to
402
491
–
–
–
to
568
9T
kgf·m
ft-lbs
1.25
9.05
to
to
1.45
10.4
3.0
21.7
to
to
3.5
25.3
6.2
44.9
to
to
7.2
52.0
10.5
76.0
to
to
12.0
86.7
17.0
123
to
to
20.0
144
26.5
192
to
to
31.0
224
35.0
254
to
to
41.0
296
50.0
362
to
to
58.0
419
W10345420
KiSC issued 02, 2007 A
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