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2-7439
GENERAL TORQUE SPECIFICATIONS
USE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN
Standard American and Metric Cap Screws
AMERICAN STANDARD CAP SCREWS
SAE Grade
5
Typ. Head
Markings
Cap Screw
TORQUE
Size
FT·LBS
N·m
Inches
MIN
MAX
MIN
1/4 - 20
6.25
7.25
8.5
1/4 - 28
8
9
11
5/16 - 18
14
15
19
5/16 - 24
17.5
19
23
3/8 - 16
26
28
35
3/8 - 24
31
34
42
7/16 - 14
41
45
55.5
7/16 - 20
51
55
69
1/2 - 13
65
72
88
1/2 - 20
76
84
103
9/16 - 12
95
105
129
9/16 - 18
111
123
150
5/8 - 11
126
139
171
5/8 - 18
152
168
206
3/4 - 10
238
262
322
3/4 - 16
274
305
371
7/8 - 9
350
386
474
7/8 - 14
407
448
551
1 - 8
537
592
728
1 - 14
670
740
908
INSTALLATION
INSTRUCTIONS
F-3984
8
TORQUE
FT·LBS
N·m
MAX
MIN
MAX
MIN
MAX
10
8.25
9.5
11
13
12
10.5
12
14
16
20
18.5
20
25
27
26
23
25
31
34
38
35
37
47.5
50
46
41
45
55.5
61
61
55
60
74.5
81
74.5
68
75
92
102
97.5
86
96
116
130
114
102
112
138
152
142
127
140
172
190
167
148
164
200
222
188
168
185
228
251
228
203
224
275
304
355
318
350
431
474
409
365
402
495
544
523
466
515
631
698
607
543
597
736
809
802
716
790
970
1070
1003
894
987
1211
1337
Page 6 of 6
METRIC CAP SCREWS
Metric Class
8.8
Typ. Head
Markings
Cap Screw
TORQUE
Size
FT·LBS
Millimeters
MIN
MAX
MIN
M6 x 1.00
6
8
8
M8 x 1.25
16
20
21.5
M10 x 1.50
29
35
39
M12 x 1.75
52
62
70
M14 x 2.00
85
103
115
M16 x 2.50
130
158
176
M18 x 2.50
172
210
233
M20 x 2.50
247
301
335
M22 x 2.50
332
404
450
M24 x 3.00
423
517
573
M27 x 3.00
637
779
863
M30 x 3.00
872
1066
1181
NOTE: These values apply to fasteners as received
from supplier, dry or when lubricated with normal
engine oil. They do not apply if special graphite or
molysulphide greases or other extreme lubricants are
used.
10.9
TORQUE
N·m
FT·LBS
N·m
MAX
MIN
MAX
MIN
11
9
11
12
27
23
27
31
47
42
52
57
84
75
91
102
139
120
146
163
214
176
216
238
284
240
294
325
408
343
426
465
547
472
576
639
700
599
732
812
1055
898
1098
1217
1444
1224
1496
1658
4-04-06
MAX
15
36.5
70
123
198
293
398
577
780
992
1488
2027
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