21
TORQUE SPECIFICATION
TORQUE SPECIFICATION
TORQUE SPECIFICATION
TORQUE SPECIFICATIONS CHART
S CHART
S CHART
S CHART
Dry
Plated
Lubricated
Dry
Plated
Lubricated
SAE
Grade 5
SAE
Grade 5
SAE
Grade 5
SAE
Grade 8
SAE
Grade 8
SAE
Grade 8
Nominal
Size
Torque
*(Ft-
Lbs)
Torque
*(Ft-Lbs)
Torque
*(Ft-Lbs)
Torque
*(Ft-
Lbs)
Torque
*(Ft-
Lbs)
Torque
*(Ft-Lbs)
1/4
20
8
6
5
12
9
7
1/4
28
10
7
6
14
10
8
5/16
18
17
13
10
25
18
15
5/16
24
19
14
11
27
20
16
3/8
16
31
23
19
44
33
26
3/8
24
35
26
21
49
37
30
7/16
14
49
37
30
70
53
42
7/16
20
55
41
33
78
58
47
1/2
13
76
57
45
106
80
64
1/2
20
85
64
51
120
90
72
9/16
12
109
82
65
153
115
92
9/16
18
122
91
73
172
129
103
5/8
11
150
113
90
212
159
127
5/8
18
170
128
102
240
180
144
3/4
10
266
200
160
376
282
226
3/4
16
297
223
178
420
315
252
7/8
9
430
322
258
606
454
364
7/8
14
474
355
284
668
501
401
1
8
644
483
386
909
682
545
1
14
721
541
433
1019
764
611
1-1/8
7
794
596
475
1288
966
772
1-1/8
12
890
668
534
1444
1083
866
1-1/4
7
1120
840
672
1817
1363
1090
1-1/4
12
1241
930
745
2012
1509
1207
T = BOLT TORQUE (LB. FT.)
T = (KWD) / 12
K = TORQUE COEFFICIENT (K
= 0.20 DRY K = 0.15 PLATED K = 0.12 LUBRICATED)
W = PRELOAD TENSION
D = NOMINAL BOLT SIZE (IN.)
* ALL TORQUE VALUE TOLERANCES ARE ± 5%