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TORQUE SPECIFICATIONS
CHECKING
BOLT
TORQUE
fhe
tables shown below give
correct
torque
values for various
bolts and
capscrews.
Tighten all bolts
to
the
torques specified in chart unless otherwise
noted.
Check tightness
of bolts periodically, using bolt
orque chart as a
guide.
Replace hardware with the same
strength
bolt.
ENGLISH TORQUE SPECIFICATIONS
Bolt
Diameter
SAE 2
"A"
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
3/4"
7/8"
1"
N.m
(lb-ft)
8
(6)
13
(10)
27
(20)
41
(30)
61
(45)
95
.
(70)
128
(95)
225
(165)
230
(170)
345
(225)
Bolt Torque ,.
$AES
N.m
(lb-ft)
12
(9)
25
(19)
45
(33)
72
(53)
110
(80)
155
(115)
215
(160)
390
(290)
570
(420)
850
(630)
lETRIC
TORQUE SPECIFICATIONS
Bolt
Bolt
Torque
SAE8
N.m
(lb-ft)
17
(12)
36
(27)
63
(45)
100
(75)
155
(115)
220
(165)
305
(220)
540
(400)
880
(650)
1320
(970)
Diameter
8.8
10.9
"AH
N.m
(lb-ft)
N.m
(lb-ft)
M3
.5
(.4)
1.8
(1.3)
M4
3
(2.2)
4.5
(3.3)
MS
6
(4)
9
(7)
M6
10
(7)
15
(11)
MS
25
(18)
35
(26)
M10
50
(37)
70
(52)
M12
90
(66)
125
(92)
M14
140
(103)
200
(148)
M16
225
(166)
310
(229)
M20
435
(321)
610
(450)
M24
750
(553)
1050
(774)
M30
1495
(1103)
2100
(1550)
M36
2600
(1917)
3675
(2710)
SAE-2
SAE-5
SAE-8
~!00©
00
Torque
figures indicated above are valid for non-greased or non-oiled threads and heads unless other-
wise specified. Therefore, do not grease or oil bolts or capscrews unless otherwise specified in this
manual. When using
locking
elements, increase torque values by 5%.
Torque value for bolts and capscrews are identified by their head markings.
13
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