TM 9-2320-365-34-1
Table E-5. Wet Torque Limits for SAE and ANSI Screws and Free Spinning Nuts
NOTE
Manufacturer’s marks
may vary. These are all
SAE Grade 5.
Material Grade Markings
SAE Grade 2
SAE Grade 5
SAE Grade 8
Diameter
Threads
per inch
Torque
inch
lb-ft
N·m
lb-ft
N·m
lb-ft
N·m
1/4
20
4
6
6
8
9
12
1/4
28
5
7
7
9
10
14
5/16
18
8
11
13
18
18
24
5/16
24
9
12
14
19
20
27
3/8
16
15
20
23
31
35
47
3/8
24
17
23
25
34
35
47
7/16
14
24
33
35
47
55
75
7/16
20
25
34
40
54
60
81
1/2
13
35
47
55
75
80
108
1/2
20
40
54
65
88
90
122
9/16
12
50
68
80
108
110
149
9/16
18
55
75
90
122
130
176
5/8
11
70
95
110
149
170
231
5/8
18
80
108
130
176
180
244
3/4
10
120
163
200
271
280
380
3/4
16
140
190
220
298
320
434
7/8
9
110
149
300
407
460
624
7/8
14
120
163
320
434
500
678
1
8
160
217
440
597
680
922
1
12
170
231
480
651
740
1003
1-1/8
7
220
298
600
814
960
1302
1-1/8
12
260
353
660
895
1080
1464
E-7
