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Page Title:
Table E-4. Torque Limits for Wet Fasteners |
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 TM 10-3930-673-20-2
CAPSCREW HEAD MARKINGS
T
Manufacturer's marks may vary.
hese are all SAE Grade 5 (3-line).
Size
SAE Grade
SAE Grade
SAE Grade
SAE Grade
No. 2
No. 5
No. 6 or 7
No. 8
Dia.
Threads
mm
lb-ft
Nm
lb-ft
Nm
lb-ft
Nm
lb-ft
Nm
Inches
per Inch
20
6.35
4
6
6
8
8
11
9
12
1/4
28
6.35
5
7
7
9
9
12
10
14
18
7.94
8
11
13
18
16
22
18
24
5/16
24
7.94
9
12
14
19
18
24
20
27
16
9.53
15
20
23
31
30
41
35
47
3/8
24
9.53
17
23
25
34
30
41
35
47
14
11.11
24
33
35
47
45
61
55
75
7/16
20
25
34
40
54
50
68
60
81
13
12.70
35
47
55
75
70
95
80
108
1/2
20
40
54
65
88
80
108
90
122
12
14.29
50
68
80
108
100
136
110
149
9/16
18
55
75
90
122
110
149
130
176
11
15.88
70
95
110
149
140
190
170
231
5/8
18
80
108
130
176
160
217
180
244
10
19.05
120
163
200
271
240
325
280
380
3/4
16
140
190
220
298
280
380
320
434
9
22.23
110
149
300
407
400
542
460
624
7/8
14
120
163
320
434
440
597
500
678
8
25.40
160
217
440
597
600
814
680
922
1
12
170
231
480
651
660
895
740
1003
7
25.58
220
298
600
814
840
1139
960
1320
1-1/8
12
260
353
660
895
940
1275
1080
1464
7
31.75
320
434
840
1139
1100
1492
1360
1844
1-1/4
12
360
488
920
1248
1320
1790
1500
2034
6
34.93
420
570
1100
1492
1560
2115
1780
2414
1-3/8
12
460
624
1260
1709
1780
2414
2040
2776
6
38.10
560
760
1460
1980
2080
2820
2360
3200
1-1/2
12
620
841
1640
2224
2320
3146
2660
3607
E-4
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