TIGHTENING TORQUES
2-7
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
A (nut) B (bolt)
General tightening torques
N·m kgf·m lb·ft
10 mm 6 mm 6 0.6 4.4
12 mm 8 mm 15 1.5 11
14 mm 10 mm 30 3.0 22
17 mm 12 mm 55 5.5 41
19 mm 14 mm 85 8.5 63
22 mm 16 mm 130 13.0 96
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