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GENERAL TORQUE
SPECIFICATIONS
This chart specifies torque for standard fasten-
ers with standard I.S.O. pitch threads. Torque
specifications for special components or assem-
blies are included in the applicable sections of
this book. To avoid warpage, tighten multi-fas-
tener assemblies in a crisscross fashion, in pro-
gressive stages, until full torque is reached.
Unless otherwise specified, torque specifica-
tions call for clean, dry threads. Components
should be at room temperature.
A: Distance across flats
B: Outside thread diameter
DEFINITION OF UNITS
Unit
mm
cm
kg
N
Nm
m•kg
Pa
N/mm
L
3
cm
r/min
GENERAL TORQUE SPECIFICATIONS/
DEFINITION OF UNITS
Read
Millimeter
Centimeter
Kilogram
Newton
Newton meter
Meter kilogram
Pascal
Newtons per millimeter
Liter
Cubic centimeter
Rotations per minute
A
B
(nut)
(bolt)
10 mm
6 mm
12 mm
8 mm
14 mm
10 mm
17 mm
12 mm
19 mm
14 mm
22 mm
16 mm
Definition
-3
10
meter
-2
10
meter
3
10
gram
1 kg × m/sec
2
N × m
m × kg
2
N/m
N/mm
—
—
77
SPEC
General torque
specifications
Nm
m•kg
ft•lb
6
0.6
4.3
15
1.5
11
30
3.0
22
55
5.5
40
85
8.5
61
130
13.0
94
Measurement
Length
Length
Weight
Force
Torque
Torque
Pressure
Spring rate
Volume or capacity
Engine speed
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