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FOREWORD
12
STANDARD TIGHTENING TORQUE
Standard Tightening Tables
For Bolts and Nuts
★ Tighten metric nuts and bolts to the torque shown in this table, unless there are special instructions.
★ The following table applies to the bolts in Figure A.
Thread Diameter
of Bolt
mm
6
8
10
12
14
16
18
20
22
24
27
30
33
36
39
★ Figure A
WA320-6
Width across Flats
mm
10
13
17
19
22
24
27
30
32
36
41
46
50
55
60
STANDARD TIGHTENING TORQUE
Tightening Torque
N•m
11.8 – 14.7
27 – 34
59 – 74
98 – 123
157 – 196
245 – 309
343 – 427
490 – 608
662 – 829
824 – 1,030
1,180 – 1,470
1,520 – 1,910
1,960 – 2,450
2,450 – 3,040
2,890 – 3,630
kgm
1.2 – 1.5
8.70 – 10.84
2.8 – 3.5
19.91 – 25.08
6.0 – 7.5
43.52 – 54.58
10.0 – 12.5
72.28 – 90.72
16 – 20
115.80 – 144.56
25 – 31.5
180.70 – 227.91
35 – 43.5
252.98 – 314.94
50 – 62
361.40 – 448.44
67.5 – 84.5
488.27 – 611.44
84 – 105
607.75 – 759.69
120 – 150
870.32 – 1,044.22
155 – 195
1,121.09 – 1,408.74
200 – 250
1,445.62 – 1,807.03
250 – 310
1,807.03 – 2,242.19
295 – 370
2,131.55 – 2,677.35
00
00
00
lbf ft
00-33
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