Table; Standar Parts.nghtening-Toroue - Mitsubishi Eclipse Workshop Manual

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RAL -
Standard Parts-Tightening-Torque Table
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STANDARD PARTS-TIGHTENING-TOROUE TABLE
Each
torque value in the table is a standard
value
for
tightening under the following conditions.
(1) Bolts. nuts
and washers are
all
made
of
steel
and plated with
zinc.
(2) The threads and bearing surface of
bolts
and
nuts are all in dry
condition.
Standard
bolt and nut tightening
torque
The values
in the table
are not
applicable:
(1)
lf
toothed washers ar€
inserted.
(2)
lf
plastic parts are
fastened.
(3)
lf
bolts.
are tightened
to
plastic or
die_cast
inserted
nuts.
(4)
lf
self-tapping screws or
self-locking nuts
are
used.
o
t
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o
Flange
bolt and nut tightening
torque
Taper thread
tightening torque
Bolt
nominal
diameter (mml
Pitch
(mm)
Torque Nm (kgm, ft.lbs.)
Head
mark
@
Head
mark
@
Head mark@
M5 0.8
2.5 (0.25,
1.8)
s
(0.5,
3.6)
6
(0.6,
4.31
M6
1.0
5 (0.5.
3.6)
9 (0.9,
6.5)
10 (1.0,
7.21
M8 1.25
't2
|t1.2, 8.71
22
12.2, 161
25 (2.5,
18)
Ml0
1.25
24 (2.4,
17l,
45 (4.5,
33)
53 (5.3.
38)
M12
1.25
42
14.2,30!,
83 (8.3,
601
98 (9.8,
71)
M14 1.5
73 (7.3,
53)
140
(14.0,
101)
160
(16.0,
116)
M16 1.5
113
(11.3,
821
21O 121.0.
152) 24O 124.0. 1741
M18
1.5 170
(17.0,
1231
310 (31.0,
2241
350 (35.0,
253)
M20 1.5
230 (23.0,
166)
420 142.0,3041 490
(49.0,
3541
M22
1.5
310 (31.0,
2241
570
.57.0, 4121
660 (66.0,
477)
M24
1.5
400 (40.0, 289)
750
175.0,
Uzl
870 t87.0.
629)
Bolt
nominal
diameter
(mm)
Pitch (mm)
Torque Nm (kgm, ft.lbs.)
Head
mark
@
Head
mark
@
Head mark@
M6
1.0
5 (0.5,
3.6)
10 (1.0,
7.2)
12 11.2,8.7'
M8
1.25
13 (1.3,
9.4)
24 (2.4,
171
28
.2.8,201
M10
1.25
26 (2.6,
19)
50 (5.0,
36)
58
(5.8. 42)
M10
1.5
24 (2.4,
17l,
45 (4.5.
33)
55 (5.5, 40)
M12
1.25
47
14.7,
34l,
95 (9.5,
69)
105 (10.5, 76)
Ml2
1.75
43
(4.3,
31)
83 (8.3.
60)
98 (9.8, 7r)
Thread
size
Torque Nm (kgm, ft.lbs.)
Female
thread material: Light
alloy Female thread material:
Steef
NPTF
116
7 (0.7,
5.0)
't0
'1.0,7.21
PT
1/8
10 (1.0,
7.2)
18 (1.8,
13)
N
1ß,
NPTF
1/4
25 (2.5,
18)
40 (4.0,
29)
PT 3E 48 (4.8,
35)
68 (6.8,
49)
NPTF
is dry seat pipe thread,
while
PT
is pipe
thread.
MotorsCorporation
Apr.199l