
38
8.2 BOLT TORQUE
CHECKING BOLT TORQUE
The tables shown below give correct torque values for various bolts and capscrews. Tighten all bolts to
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ENGLISH TORQUE SPECIFICATIONS
METRIC TORQUE SPECIFICATIONS
SAE 2
(N.m) (lb-ft)
Bolt Torque*
Bolt
Diameter
"A"
SAE 5
(N.m) (lb-ft)
SAE 8
(N.m) (lb-ft)
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
3/4"
7/8"
1"
8
13
27
41
61
95
128
225
230
345
6
10
20
30
45
60
95
165
170
225
12
25
45
72
110
155
215
390
570
850
9
19
33
53
80
115
160
290
420
630
17
36
63
100
155
220
305
540
880
1320
12
27
45
75
115
165
220
400
650
970
8.8
(N.m) (lb-ft)
Bolt Torque*
Bolt
Diameter
"A"
10.9
(N.m) (lb-ft)
M3
M4
M5
M6
M8
M10
M12
M14
M16
M20
M24
M30
M36
.5
3
6
10
25
50
90
140
225
435
750
1495
2600
.4
2.2
4
7
18
37
66
103
166
321
553
1103
1917
1.8
4.5
9
15
35
70
125
200
310
610
1050
2100
3675
1.3
3.3
7
11
26
52
92
148
229
450
774
1550
2710
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manual. When using locking elements, increase torque values by 5%.
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