TM 55-2840-254-23
1-116
This section lists standard torque values for general type screws, nuts, and bolts; pipe thread fittings and
plugs; flared tubing nuts; jam nuts and bolts; and straight and stepped studs, These values, listed in Tables
1-3 thru 1-9, will apply when special torque values are not specified in
procedures. Torque wrenches
needed are listed at the end of each table. For additional information, refer to TM 55-1500-204-25/1.
Table 1-3. Standard Torque for General Steel Screws, Bolts, and Nuts
HEXAGON-HEAD BOLTS AND NUTS
SLOTTED-HEAD SCREWS
THREAD SIZE
(INCH-POUNDS)
(INCH-POUNDS)
3
2-56
4
3-48
6
4-40
7
5-40
9
6-32
12
8-32
45
10-32
20
70
25
7/32-24
85
1/4-28
35
145
45
5/16-24
290
60
3/8-24
440
7/16-20
85
600
105
1/2-13
600
1/2-20
105
875
9/16-18
1200
5/8-18
Torque
Wrench, 0-30 Iich-Pounds
Torque
Wrench, 30-150 Inch-Pounds
Torque
Wrench, 100-750 Inch-Pounds
Torque
Wrench, 700-1600 Inch-Pounds