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GZD15, WSM
5. TIGHTENING TORQUES
[1] GENERAL USE SCREWS, BOLTS AND NUTS
Screws, bolt and nuts whose tightening torque are not specified in this Workshop Manual should be tightened
according to the table below.
Indication on top of
bolt
Material of bolt
Material of
Ordinariness
opponent part
Unit
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
[2] METRIC SCREWS, BOLTS AND NUTS
Grade
Unit
Nominal
Diameter
M8
23.6 to 27.4
M10
48.1 to 55.8
M12
77.5 to 90.1
M14
124.0 to 147.0
M16
196.0 to 225.0
No-grade or 4T
SS400, S20C
Aluminum
ft-lbs
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
Property class 8.8
2.4 to 2.8
4.9 to 5.7
7.9 to 9.2
12.6 to 15.0
20.0 to 23.0
S43C, S48C
Ordinariness
ft-lbs
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
37.5
272
368
to
to
to
431
44.0
318
ft-lbs
17.4 to 20.2
29.4 to 34.3
35.5 to 41.2
60.8 to 70.5
57.2 to 66.5
103.0 to 117.0
91.2 to 108.0
167.0 to 196.0
145.0 to 166.0
260.0 to 303.0
G-9
7T
SCr435, SCM435
Aluminum
Ordinariness
ft-lbs
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
0000001412E
Property class 10.9
3.0 to 3.5
21.7 to 25.3
6.2 to 7.2
44.9 to 52.1
10.5 to 12.0
76.0 to 86.8
17.0 to 20.0
123.0 to 144.0
26.5 to 31.0
192.0 to 224.0
0000001413E
KiSC issued 04, 2006 A
GENERAL
9T
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
ft-lbs
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