TM 5-3805-274-13&P
0051
Table 1. Torque Limits for Dry Fasteners.
CAPSCREW HEAD MARKINGS
Manufacturer's marks may vary.
These are all SAE Grade 5 (3-line).
SIZE
SAE GRADE
SAE GRADE
SAE GRADE
SAE GRADE
NO. 5
NO. 6 OR 7
NO. 8
NO. 1 OR 2
DIA.
THREADS
DIA.
POUND
NEWTON
POUND
NEWTON
POUND
NEWTON POUND
NEWTON
INCHES
PER INCH MILLIMETERS FEET
METERS
FEET
METERS
FEET
METERS FEET
METERS
1/4
20
6.35
5
7
8
11
10
14
10
16
1/4
28
6.35
6
8
10
14
12
16
12
16
5/16
18
7.94
11
15
17
23
21
28
24
33
5/16
24
7.94
12
16
19
26
24
33
27
37
3/8
16
9.53
20
27
30
41
40
54
45
61
3/8
24
9.53
23
31
35
47
45
61
50
68
7/16
14
11.11
30
41
50
68
60
81
70
95
7/16
20
35
47
55
75
70
95
80
108
1/2
13
12.70
50
68
75
102
95
129
110
149
1/2
20
55
75
90
122
100
136
120
163
9/16
12
14.29
65
88
110
149
135
183
150
203
9/16
18
75
102
120
163
150
203
170
230
5/8
11
15.88
90
122
150
203
190
258
220
298
5/8
18
100
136
180
244
210
285
240
325
3/4
10
19.05
160
217
260
353
320
434
380
515
3/4
16
180
244
300
407
360
488
420
596
7/8
9
22.23
140
190
400
542
520
705
600
813
7/8
14
155
210
440
597
580
786
660
895
1
8
25.40
220
298
580
786
800
1085
900
1220
1
12
240
325
640
868
860
1166
1000
1356
1-1/ 8
7
25.58
300
407
800
1085
1120
1519
1280
1735
1-1/ 8
12
340
461
880
1193
1260
1708
1440
1952
1-1/ 4
7
31.75
420
569
1120
1519
1580
2142
1820
2468
1-1/ 4
12
460
624
1240
1681
1760
2386
2000
2712
1-3/ 8
6
34.93
560
759
1460
1979
2080
2820
2380
3227
1-3/ 8
12
640
868
1690
2291
2380
3227
2720
3688
1-1/ 2
6
38.10
740
1003
1940
2630
2780
3769
3160
4284
1-1/ 2
12
840
1139
2200
2983
3100
4203
3560
4827