TIGHTENING TORQUES
2-15
EAS20320
TIGHTENING TORQUES
EAS20330
GENERAL TIGHTENING TORQUE
SPECIFICATIONS
This chart specifies tightening torques for stan-
dard fasteners with a standard ISO thread pitch.
Tightening torque specifications for special com-
ponents or assemblies are provided for each
chapter of this manual. To avoid warpage, tight-
en multi-fastener assemblies in a crisscross pat-
tern and progressive stages until the specified
tightening torque is reached. Unless otherwise
specified, tightening torque specifications re-
quire clean, dry threads. Components should be
at room temperature.
A. Distance between flats
B. Outside thread diameter
A (nut) B (bolt)
General tightening
torques
Nm
m·kg
ft·lb
10 mm
6 mm
6
0.6
4.3
12 mm
8 mm
15
1.5
11
14 mm
10 mm
30
3.0
22
17 mm
12 mm
55
5.5
40
19 mm
14 mm
85
8.5
61
22 mm
16 mm
130
13.0
94
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