Tightening Torques; Torques For General Use Nuts And Bolts - Kubota KX080-4 Workshop Manual

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KX080-4, WSM

6. TIGHTENING TORQUES

[1] TORQUES FOR GENERAL USE NUTS AND BOLTS

Screws, bolts and nuts whose tightening torques are not specified in this Workshop Manual should be
tightened according to the table below.
Indication on top of bolt
Indication on top of nut
Material of opponent part
Unit
M6
M8
M10
M12
M14
M16
M18
M20
No-grade or 4T
Ordinariness
Aluminum
N·m kgf·m lbf·ft
N·m kgf·m lbf·ft
7.9
0.8
5.8
7.9
0.8
to
to
to
to
to
9.3
0.95
6.8
8.8
0.9
18
1.8
13
17
1.7
to
to
to
to
to
20
2.1
15
19
2.0
40
4.0
29
32
3.2
to
to
to
to
to
45
4.6
33
34
3.5
63
6.4
47
to
to
to
72
7.4
53
108
11
79.6
to
to
to
125
12.8
92.5
167
17
123
to
to
to
191
19.5
141
246
25
181
to
to
to
284
29
209
334
34
246
to
to
to
392
40
289
No-grade or 4T
Steel
N·m kgf·m lbf·ft
5.8
9.81
1.0
7.24
to
to
to
to
6.5
11.2
1.15
8.31
13
24
2.4
18
to
to
to
to
14
27
2.8
20
24
48
4.9
36
to
to
to
to
25
55
5.7
41
78
7.9
58
to
to
to
90
9.2
66
124
12.6
91.2
to
to
to
147
15
108
197
20
145
to
to
to
225
23
166
275
28
203
to
to
to
318
32.5
235
368
37.5
272
to
to
to
431
44
318
G-16
GENERAL
7T
6T
Aluminum
Steel
N·m kgf·m lbf·ft
N·m kgf·m lbf·ft
7.9
0.8
5.8
12.3
1.25
to
to
to
to
to
8.8
0.9
6.5
14.2
1.45
18
1.8
13
30
3.0
to
to
to
to
to
20
2.1
15
34
3.5
40
4.0
29
61
6.2
to
to
to
to
to
44
4.5
32
70
7.2
63
6.4
47
103
10.5
to
to
to
to
to
72
7.4
53
117
12
167
17
to
to
196
20
260
26.5
to
to
304
31
344
35
to
to
402
41
491
50
to
to
568
58
RY9212032GEG0001US0
KiSC issued 08, 2015 A
9T
9.05
to
10.4
22
to
25
45
to
52
76
to
86.7
123
to
144
192
to
224
254
to
296
362
to
419

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