27
TORQUE SPECIFICATIONS 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%
Summary of Contents for Rufnek Intelliguard 80
Page 9: ...9 CLUTCH INSPECTION ...
Page 26: ...26 VISCOSITY CHART ...