FOREWORD
STANDARD TIGHTENING TORQUE
00-14
WA500-3H
12
00
STANDARD TIGHTENING TORQUE
00
STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS
The following charts give the standard tightening torques of bolts and nuts. Exceptions are given in DISASSEMBLY AND
ASSEMBLY.
Thread diameter of bolt
Width across flats
mm
mm
Nm
kgm
6
10
13.2 ±1.4
1.35 ±0.15
8
13
31.4 ±2.9
3.20 ±0.3
10
17
65.7 ±6.8
6.70 ±0.7
12
19
112 ±9.8
11.5 ±1.0
14
22
177 ±19
18 ±2.0
16
24
279 ±29
28.5 ±3
18
27
383 ±39
39 ±4
20
30
549 ±58
56 ±6
22
32
745 ±78
76 ±8
24
36
927 ±98
94.5 ±10
27
41
1320 ±140
135 ±15
30
46
1720 ±190
175 ±20
33
50
2210 ±240
225 ±25
36
55
2750 ±290
280 ±30
39
60
3280 ±340
335 ±35
Thread diameter of bolt
Width across flats
mm
mm
Nm
kgm
6
10
7.85 ± 1.95
0.8 ± 0.2
8
13
18.6 ± 4.9
1.9 ± 0.5
10
14
40.2 ± 5.9
4.1 ± 0.6
12
27
82.35 ± 7.85
8.4 ± 0.8
