Dover TWG TULSA WINCH 1200W Service Manual - Page 15
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TORQUE SPECIFICATIONS CHART
Grade 5
Torque
Nominal
Size
*(Ft-Lbs)
1/4
20
1/4
28
5/16
18
5/16
24
3/8
16
3/8
24
7/16
14
7/16
20
1/2
13
1/2
20
9/16
12
109
9/16
18
122
5/8
11
150
5/8
18
170
3/4
10
266
3/4
16
297
7/8
9
430
7/8
14
474
1
8
644
1
14
721
1-1/8
7
794
1-1/8
12
890
1-1/4
7
1120
1-1/4
12
1241
T = BOLT TORQUE (LB. FT.)
K = TORQUE COEFFICIENT (K = 0.20 DRY
W = PRELOAD TENSION
D = NOMINAL BOLT SIZE (IN.)
Dry
Plated
Lubricated
SAE
SAE
Grade 5
Torque
*(Ft-Lbs)
*(Ft-Lbs)
8
6
10
7
17
13
19
14
31
23
35
26
49
37
55
41
76
57
85
64
82
91
113
128
200
223
322
355
483
541
596
668
840
930
K = 0.15 PLATED
* ALL TORQUE VALUE TOLERANCES ARE ± 5%
15
Dry
SAE
SAE
Grade 5
Grade 8
Torque
Torque
*(Ft-Lbs)
5
12
6
14
10
25
11
27
19
44
21
49
30
70
33
78
45
106
51
120
65
153
73
172
90
212
102
240
160
376
178
420
258
606
284
668
386
909
433
1019
475
1288
534
1444
672
1817
745
2012
T = (KWD) / 12
K = 0.12 LUBRICATED)
Plated
Lubricated
SAE
SAE
Grade 8
Grade 8
Torque
Torque
*(Ft-Lbs)
*(Ft-Lbs)
9
7
10
8
18
15
20
16
33
26
37
30
53
42
58
47
80
64
90
72
115
92
129
103
159
127
180
144
282
226
315
252
454
364
501
401
682
545
764
611
966
772
1083
866
1363
1090
1509
1207