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TM 10-3930-671-24
3-13.
TORQUE LIMITS.
Table 3-2 provides wet torque values for U.S. standard screws, nuts, and bolts. Table 3-3 provides dry torque values for
U.S. standard screws, nuts, and bolts. Table 3-4 provides dry torque values for metric screws, nuts, and bolts. Table 3-5
provides torque values for metric phosphate coated engine screws, nuts, and bolts. Table 3-6 provides dry torque values
for fasteners designated as critical to the truck. After assembly or installation procedures, refer to the appropriate table for
the correct torque of component fasteners. While performing Unit PMCS procedures, refer to Table 3-6 for the correct
torque of critical fasteners.
Table 3-2. U.S. Standard Torque Values (Wet)
* Designates coarse thread.
** Designates fine thread.
SIZE
SAE GRADE
SAE GRADE
SAE GRADE
SAE GRADE
NO. 2
NO. 5
NO. 6 OR 7
NO. 8
Dia.
Inches
Threads
Per Inch
Millimeter
s
Poun
d Feet
Newton
Pound
Pound
Feet
Newton
Meters
Pound
Feet
Newton
Meters
Pound
Feet
Newton
Meters
1/4*
20
6.35
4
6
6
8
8
11
9
12
114**
28
6.35
5
7
7
9
9
12
10
14
5/16*
18
7.94
8
11
13
18
16
22
18
24
5/16**
24
7.94
9
12
14
19
18
24
20
27
3/18*
16
9.53
15
20
23
31
30
41
35
47
3/8**
24
9.53
17
23
25
34
30
41
35
47
7/16*
14
11.11
24
33
35
47
45
61
55
75
7/16**
20
25
34
40
54
50
68
60
81
½*
13
12.70
35
47
55
75
70
95
80
108
1/2**
20
40
54
65
88
80
108
90
122
9/16'
12
14.29
50
68
80
108
100
136
110
149
9/166**
18
55
75
90
122
110
149
130
176
5/8*
11
15.88
70
95
110
149
140
190
170
231
5/8**
18
80
108
130
176
160
217
180
244
3/4*
10
19.05
120
163
200
271
240
325
280
380
3/4"*
16
140
190
220
298
280
380
320
434
7/8*
9
22.23
110
149
300
407
400
542
460
624
7/8**
14
120
163
320
434
440
597
500
678
1*
8
25.40
160
217
440
597
600
814
680
922
1**
12
170
231
480
651
660
895
740
1003
1-1/8*
7
25.53
220
298
600
814
840
1139
960
1302
1-1/8**
12
260
353
660
895
940
1275
1080
1464
1-1/4*
7
31.75
320
434
840
1139
1100
1492
1360
1844
1-1/4**
12
360
488
920
1248
1320
1790
1500
2034
1-3/8*
6
34.93
420
570
1100
1492
1560
2115
1780
2414
1-3/8**
12
460
624
1260
1709
1780
2414
2040
2766
1-1/2*
6
36.10
560
760
1460
1980
2080
2820
2360
3200
1-1/2**
12
620
841
1640
2224
2320
3146
2660
3607
3-12
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