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SPEC
CONVERSION TABLE/
GENERAL TIGHTENING TORQUE SPECIFICATIONS
EAS00028
CONVERSION TABLE
All specification data in this manual are listed
in SI and METRIC UNITS.
Use this table to convert METRIC unit data to
IMPERIAL unit data.
CONVERSION TABLE
EAS00030
GENERAL TIGHTENING TORQUE
SPECIFICATIONS
This chart specifies tightening torques for stan-
dard fasteners with a standard ISO thread
pitch. Tightening torque specifications for spe-
cial components or assemblies are provided
for each chapter of this manual. To avoid
warpage, tighten multi-fastener assemblies in
a crisscross pattern and progressive stages
until the specified tightening torque is reached.
Unless otherwise specified, tightening torque
specifications require clean, dry threads. Com-
ponents should be at room temperature.
A: Distance between flats
B: Outside thread diameter
Ex.
METRIC MULTIPLIER IMPERIAL
** mm
×
0.03937 = ** in
2 mm
×
0.03937 = 0.08 in
METRIC TO IMPERIAL
Tighten-
ing torque
Metric unit Multiplier Imperial unit
m · kg
m · kg
cm · kg
cm · kg
7.233
86.794
0.0723
0.8679
ft · lb
in · lb
ft · lb
in · lb
Weight
kg
g
2.205
0.03527
lb
oz
Speed km/hr 0.6214 mph
Distance
km
m
m
cm
mm
0.6214
3.281
1.094
0.3937
0.03937
mi
ft
yd
in
in
Volume/
Capacity
cc (cm
3
)
cc (cm
3
)
lt (liter)
lt (liter)
0.03527
0.06102
0.8799
0.2199
oz (IMP liq.)
cu · in
qt (IMP liq.)
gal (IMP liq.)
Misc.
kg/mm
kg/cm
2
Centigrade
(°C)
55.997
14.2234
9/5+32
lb/in
psi (lb/in
2
)
Fahrenheit (°F)
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