TM 9-2320-272-24-4
Table G-1. Torque Limits for Dry Fasteners.
CAPSCREW HEAD MARKINGS
SIZE
SAE GRADE
SAE GRADE
SAE GRADE
SAE GRADE
NO. 6 or 7
N0. 8
N0.1or2
N0. 5
DIA.
DIA.
THREADS
POUND NEWTON
POUND NEWTON
POUND NEWTON
POUND NEWTON
INCHES
PER INCH
MILLIMETERS
FEET
METERS
FEET
METERS
FEET
METERS
FEET
METERS
13.56
12
16.27
6.35
5
6.78
8
10.85
10
1/4
20
____
14
18.98
6.35
6
8.14
10
13.56
1/4
28
____
25.76
24
32.54
17
7.94
11
14.92
23.05
19
5/16
18
27
36.61
7.94
13
17.63
19
25.76
5/16
24
____
_
_
_
46.10
44
59.66
9.53
18
24.41
31
42.04
34
3/8
16
____
____
49
66.44
9.53
20
27.12
35
47.46
3/8
24
74.58
70
94.92
28
37.97
66.44
55
49
7/16
14
11.11
____
____
78
105.77
30
40.68
55
74.58
7/16
20
11.11
115.26
105
142.38
39
52.88
75
101.70
85
1/2
13
12.70
120
162.72
41
55.60
85
115.26
1/2
20
12.70
___
____
162.72
155
210.18
51
69.16
110
149.16
120
9/16
12
14.29
____
170
230.52
55
74.58
120
162.72
9/16
18
14.29
___
226.45
210
284.76
63
85.43
150
203.40
167
5/8
11
15.88
240
325.44
95
128.82
170
230.52
5/8
18
15.88
_
_
_
____
379.68
375
508.50
105 142.38
270
366.12
280
3/4
10
19.05
420
569.52
115 155.94
295
400.02
3/4
16
19.05
____
____
596.64
605
820.38
160 216.96
395
535.62
440
7/8
9
22.23
675
915.30
175 237.30
435
589.86
7/8
14
22.23
_
_
_
____
1
894.96
910
1,233.96
235 318.66
590
800.04
660
8
25.40
990
1,342.44
250 339.00
660
894.96
1
14
25.40
____
____
800.
1,084.8-
1-1/8
28.58
1,280-
1,735.68
_____
____
________
____
_____
1,440
1,952.64
880
1,193.3
______
_____
1,820
2467.92
1-1/4
31.75
_______
______
_____
____
____
2,712.00
2,000
_____
_____
2,380-
3,227.28
1,460-
1,979.8.
1-3/8
34.93
____
____
_______
2,720
3.688.32
1,680
2,278.l
____
____
3,160-
4,284.96
1,940-
2,630.6-
1-1/2
38.10
____
____
_______
3,560
4,827.36
2,200
2,983.2
G-2
