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2-7702
GENERAL TORQUE SPECIFICATIONS
USE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN
AMERICAN STANDARD CAP SCREWS
SAE
5
Grade
Typical
Grade ID
Markings
on Head
Cap
TORQUE
Screw
Size
FT-LBS
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-4259
8
TORQUE
N·m
FT-LBS
N·m
MAX
MIN
MAX
MIN
10
8.25
9.5
11
12
10.5
12
14
20
18.5
20
25
26
23
25
31
38
35
37
47.5
46
41
45
55.5
61
55
60
74.5
74.5
68
75
92
97.5
86
96
116
114
102
112
138
142
127
140
172
167
148
164
200
188
168
185
228
228
203
224
275
355
318
350
431
409
365
402
495
523
466
515
631
607
543
597
736
802
716
790
970
1003
894
987
1211
METRIC CAP SCREWS
Metric Class
Typical
Grade ID
Markings
on Head
Cap Screw
TORQUE
Size
FT-LBS
MAX
Millimeters
MIN
MAX
13
M6 x 1.00
6
8
16
M8 x 1.25
16
20
27
M10 x 1.50
29
35
34
M12 x 1.75
52
62
50
M14 x 2.00
85
103
61
M16 x 2.50
130
158
81
M18 x 2.50
172
210
102
M20 x 2.50
274
301
130
M22 x 2.50
332
404
152
M24 x 3.00
423
517
190
M27 x 3.00
637
779
222
M30 x 3.00
872
1066
251
304
NOTE: These values apply to fasteners as
474
received from the supplier, dry or when lubricated
544
with normal engine oil. They do not apply if special
698
graphite or molydisulphide greases or other
809
extreme pressure lubricants are used.
1070
1337
Page 4 of 4
8.8
10.9
TORQUE
N·m
FT-LBS
MIN
MAX
MIN
MAX
8
11
9
11
21.5
27
23
27
39
47
42
52
70
84
75
91
115
139
120
146
176
214
176
216
233
284
240
294
335
408
343
426
450
547
472
576
573
700
599
732
863
1055
898
1098
1181
1444
1224
1496
N·m
MIN
MAX
12
15
31
36.5
57
70
102
123
163
198
238
293
325
398
465
577
639
780
812
992
1217
1488
1658
2027
06-02-09
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