TM 5-3990-264-13&P
0037
Table 4.
Torque Limits for Dry Metric Fasteners - Continued.
mm
LB-FT
Nm
LB-FT
Nm
LB-FT
Nm
IN.
1.064
27
707
959
996
1351
1235
1675
1.182
30
967
1311
1357
1840
1630
2210
5.
Table 5 lists torque limits for wet fasteners. Wet torque limits are used on screws that have high pressure
lubricants applied to the threads.
Table 5. Torque Limits for Wet Fasteners.
CAPSCREW HEAD MARKINGS
NOTE
Manufacturer's marks may vary. These are all SAE Grade 5.
SAE GRADE NO. 2
SAE GRADE NO. SAE GRADE NO. SAE GRADE NO. DIAMETER
5
6 or 7
8
Threads
TORQUE
IN.
mm
Per
LB-FT
Nm
LB-FT
Nm
LB-FT
Nm
LB-FT
Nm
Inch
1/4
6.35
20
4
6
6
8
8
11
9
12
1/4
6.35
28
5
7
7
9
9
12
10
14
5/16
7.94
18
8
11
13
18
16
22
18
24
5/16
7.94
24
9
12
14
19
18
24
20
27
3/8
9.53
16
15
20
23
31
30
41
35
47
3/8
9.53
24
17
23
25
34
30
41
35
47
7/16
11.11
14
24
33
35
47
45
61
55
75
7/16
20
25
34
40
54
50
68
60
81
1/2
12.70
13
35
47
55
75
70
95
80
108
1/2
20
40
54
65
88
80
108
90
122
03/15/2011Rel(1.8)root(torquewp)wpno(M06021)