TM 5-2420-230-24-1
Table E-6. Torque Specification For SAE Grade No. 8 Fasteners
RECOMMENDED
GALVANIZED
CADMIUM PLATED
SAE GRADE
ASSEMBLY
NO. 8
DEGREASED
LIGHTLY OILED
DEGREASED
LIGHTLY OILED
(IN.)
LBF/FT
NM
LBF/FT
NM
LBF/FT
NM
LBF/FT
NM
LBF/FT
NM
1/4 UNC
7
10
15
21
8
11
7
10
5
7
5/16 UNC
15
21
32
44
17
23
15
21
11
15
3/8 UNC
28
38
59
80
31
42
28
38
20
27
7/16 UNC
44
60
93
126
49
66
44
60
31
42
1/2 UNC
68
92
142
193
74
101
68
92
47
64
5/8 UNC
135
183
283
384
148
201
135
183
94
128
3/4 UNC
240
325
504
683
264
358
240
325
168
228
7/8 UNC
386
523
810
1098
424
575
386
523
270
366
1 UNC
579
785
1216
1649
637
864
579
785
406
550
ZINC PLATED
PHOSPHATED
STANDARD FINISH
SAE GRADE
NO. 8
DEGREASED
LIGHTLY OILED
OILED
HEAVY GREASE
(IN.)
LBF/FT
NM
LBF/FT
NM
LBF/FT
NM
LBF/FT
NM
1/4 UNC
5
7
7
9
5
7
5
7
5/16 UNC
11
15
14
19
11
15
11
15
3/8 UNC
20
27
25
34
20
27
20
27
7/16 UNC
31
42
40
54
31
42
31
42
1/2 UNC
47
64
61
83
47
64
47
64
5/8 UNC
94
128
122
165
94
128
94
128
3/4 UNC
168
228
216
293
168
228
168
228
7/8 UNC
270
366
347
471
270
366
270
366
1 UNC
406
550
521
707
406
550
406
550
E-5. U.S. ARMY STANDARD TORQUE TABLES.
The U.S. Army standard torque values are shown below. Refer to Para E-4. before using the following information.
E-8