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TM 9-2815-237-34
Table F-1. Torque Limits for Dry Fasteners
CAPSCREW HEAD MARKINGS
DIA.
INCHES
1/4
/14
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
7/8
1
1
1-1/8
1-1/4
1-3/8
l-1/2
SIZE
THREADS
PER INCH
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
9
14
8
14
MILLIMETERS
6.35
6.35
7.94
7.94
9.53
9.53
11.11
—
12.70
14.29
15.88
19.05
22.23
25.40
25.58
31.75
34.93
38.10
SAE GRADE
NO. 1 or 2
POUND NEWTON
FEET
MIETER5
5
6
11
13
18
20
28
30
39
41
51
55
63
95
105
115
160
175
235
250
6.78
8.14
14.92
17.63
24.41
27.12
37.97
40.68
52.88
55.60
69.16
74.58
85.43
128.82
142.38
155.94
216.96
237.30
318.66
339.00
SAE GRADE
No. 5
POUND NEWTON
FEET
METERS
8
10.85
10
13.56
17
23.05
19
25.76
31
42.04
35
47.46
49
66.44
55
74.58
75
101.70
8
5
1
1
5 .
26
110
149.16
120
162.72
1
5
0
2
0
3 .
40
1
7
0
2
3
0 .
52
2
7
0
3
6
6 .
12
2
9
5
4
0
0 .
02
3
9
5
5
3
5 .
62
4
3
5
5
8
9 .
86
5
9
0
8
0
0 .
04
6
6
0
8
9
4 .
96
800-
1084.8-
880
1193.3
1460-
1979.8
1680
2278.1
1940-
2630.6-
2200
2983.2
SAE GRADE
NO .6 or 7
POUND NEWTON
FEET
METERS
10
19
34
55
85
120
167
280
440
660
13.56
25.76
46.10
74.58
115.26
162.72
226.45
379.68
596.64
894.96
SAE GRADE
No. 8
POUND NEWTON
FEET
METERS
12
16.27
14
18.98
24
32.52
27
36.61
44
59.66
49
66.44
70
94.92
78
105.77
105
142.38
120
162.72
155
210.18
170
230.52
210
284.76
240
325.44
375
508.50
420
569.52
605
820.38
675
915.30
910
1233.96
990
1342.44
1280-
1735.7-
1440
1952.8
1820-
2467.9-
2000
2712.0
2380-
3227.3-
2
7
2
0
3
6
8
8 .
3
3160-
4285.0-
3
5
6
0
4
8
2
7 .4
F-2
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