0C-9 Service Data:
Tightening Torque Chart
For other bolts and nuts not listed in the preceding page, refer to this chart:
Bolt Diameter
"a" (mm)
N⋅m
4
5
6
8
10
12
14
16
105
18
160
" a "
Conventional or "4" marked bolt
kgf–m
1.5
0.15
3
0.3
6
0.6
13
1.3
29
2.9
45
4.5
65
6.5
10.5
16.0
1
" a"
1. Conventional bolt
lb–ft
N⋅m
1.0
2.0
4.5
10
9.5
23
21.0
50
32.5
85
47.0
135
76.0
210
115.5
240
2
2. "4" marked bolt
3. "7" marked bolt
"7" marked bolt
kgf–m
2
0.2
5
0.5
1.0
2.3
5.0
8.5
13.5
21.0
24.0
" a"
lb–ft
1.5
3.5
7.0
16.5
36.0
61.5
97.5
152.0
173.5
3
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