TM 10-3930-641-20
TORQUE LIMITS
GENERAL TORQUE FOR CAPSCREWS AND NUTS
STANDARD TORQUE
THREAD DIAMETER
Nm
lb. ft.
millimeters
inches
Standard thread
Use these torques for bolts and nuts with stan-
dard threads (conversions are approximate).
93
12 4
1/4
6.35
18 5
25 7
5/16
7.94
32 5
45 7
9.53
3/8
50 10
70 15
11.11
7/16
75 10
100 15
12.70
1/2
110 15
150 20
14.29
9/16
200 25
15 20
15.88
5/8
265 35
360 50
3/4
19.05
420 60
570 80
7/8
22.23
640 80
875 100
25.40
1
800 100
1100 150
28.58
1 1/8
1350 175
1000 120
1 1/4
31.75
1600 200
1200 150
1 3/8
34.93
2000 275
1 1/2
1500 200
38.10
Use these torques for bolts and nuts on
hydraulic valve bodies.
20 3
13 2
5/16
7.94
24 2
35 3
3/8
9.53
39 2
50 3
7/16
11.11
60 3
80 4
12.70
1/2
160 6
118 4
15.88
5/8
