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 TM 55-1905-223-24-9
APPENDIX D
GENERAL BOLT TORQUE DATA (unless specified otherwise)
Metric (Class 8.8)
Inch (Grade 5)
SIZE
PITCH
TORQUE * (N )
m
SIZE
PITCH
TORQUE (ft-lb)
M4
0.7
13.56
1/4
20
10
M5
0.8
14.91
1/4
28
11
M6
1.0
27.12
5/16
18
20
M8
1.0
31.18
5/16
24
23
M8
1.25
47.46
3/8
16
35
M10
1.25
52.24
3/8
24
40
M10
1.5
74.58
7/16
14
55
M12
1.25
81.36
7/16
20
60
M12
1.5
122.04
1/2
13
90
M12
1.75
128.82
1/2
20
95
M14
1.5
155.94
9/16
12
115
M14
2.0
162.72
9/16
18
120
M16
1.5
230.52
5/8
11
170
M16
2.0
257.64
5/8
18
190
M18
1.5
447.48
3/4
10
330
M18
2.5
474.6
3/4
16
350
M20
1.5
678
7/8
9
500
M20
2.5
718.68
7/8
14
530
M22
1.5
1017
1
8
750
M22
2.5
1017.24
1
12
790
M24
2.0
1762.8
1-1/4
7
1300
M24
3.0
1898.4
1-1/4
12
1400
M27
2.0
3118.8
1-1/2
6
2300
M27
3.0
3254.4
1-1/2
12
2400
M30
2.0
4746
1-3/4
5
3500
M30
3.5
6780
2
4.5
5000
* Denotes torque reading in Newton-meters.
NOTE: These figures are bolt torques for the grade or class generally supplied by Wagner and assume parent threaded
materials are of sufficient strength and thread engagement, i.e., bolt torque in shallow tapped holes in aluminum would
be considerably less.
D-1/(D-2 blank)
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