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EAM20131
TIGHTENING TORQUES
EAM30205
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
General tightening torques
A (nut)
B (bolt)
N·m
10 mm
6 mm
6
12 mm
8 mm
15
14 mm
10 mm
30
17 mm
12 mm
55
19 mm
14 mm
85
22 mm
16 mm
130
kgf·m
lb·ft
0.6
4.4
1.5
11
3.0
22
5.5
41
8.5
63
13.0
96
2-10
TIGHTENING TORQUES
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