RadTech S1SB-54A - Torque Specification Table

TORQUE SPECIFICATION TABLE
OM 0495SB-A [54]
GENERAL SPECIFICATION TABLE
USE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN
Note:These values apply to fasteners as received from supplier dry, or when lubricated with normal engine oil. They do not apply
if special graphited or moly sidulphide greases or other extreme pressure lubricants are used. These values apply to dry
conditions; under lubricated conditions reduce by 25% the torques in this table.
BOLT HEAD IDENTIFICATION
INCHES
Bolt Size
Grade 2
Grade 5
Grade 8
METRIC
Bolt Size
Class 5.8
Class 8.8
Class 10.9
in-tpi
1
N-m
2
lbs-ft
3
N-m
lbs-ft
N-m
lbs-ft
mm
x
pitch
4
N-m
lbs-ft
N-m
lbs-ft
N-m
lbs-ft
1/4" – 20NC
7.4
5.6
11
8
16
12
M 5 X 0.8
4
3
6
5
9
7
1/4" – 28NF
8.5
6
13
10
18
14
M 6 X 1
7
5
11
8
15
11
5/16" – 18NC
15
11
24
17
33
25
M 8 X 1.25
17
12
26
19
36
27
5/16" – 24NF
17
13
26
19
37
27
M 8 X 1
18
13
28
21
39
29
3/8" – 16NC
27
20
42
31
59
44
M10 X 1.5
33
24
52
39
72
53
3/8" – 24NF
31
22
47
35
67
49
M10 X 0.75
39
29
61
45
85
62
7/16" – 14NC
43
32
67
49
95
70
M12 X 1.75
58
42
91
67
125
93
7/16" – 20NF
49
36
75
55
105
78
M12 X 1.5
60
44
95
70
130
97
1/2" – 13NC
66
49
105
76
145
105
M12 X 1
90
66
105
77
145
105
1/2" – 20NF
75
55
115
85
165
120
M14 X 2
92
68
145
105
200
150
9/16" – 12NC
95
70
150
110
210
155
M14 X 1.5
99
73
155
115
215
160
9/16" – 18NF
105
79
165
120
235
170
M16 X 2
145
105
225
165
315
230
5/8" – 11NC
130
97
205
150
285
210
M16 X 1.5
155
115
240
180
335
245
5/8" – 18NF
150
110
230
170
325
240
M18 X 2.5
195
145
310
230
405
300
3/4" – 10NC
235
170
360
265
510
375
M18 X 1.5
220
165
350
260
485
355
3/4" – 16NF
260
190
405
295
570
420
M20 X 2.5
280
205
440
325
610
450
7/8" – 9NC
225
165
585
430
820
605
M20 X 1.5
310
230
650
480
900
665
7/8" – 14NF
250
185
640
475
905
670
M24 X 3
480
355
760
560
1050
780
1" – 8NC
340
250
875
645
1230
910
M24 X 2
525
390
830
610
1150
845
1" – 12NF
370
275
955
705
1350
995
M30 X 3.5
960
705
1510
1120
2100
1550
1 1/8" – 7NC
480
355
1080
795
1750
1290
M30 X 2
1060
785
1680
1240
2320
1710
1 1/8" – 12NF
540
395
1210
890
1960
1440
M36 X 3.5
1730
1270
2650
1950
3660
2700
1 1/4" – 7NC
680
500
1520
1120
2460
1820
M36 X 2
1880
1380
2960
2190
4100
3220
1 1/4" – 12NF
750
555
1680
1240
2730
2010
1
in-tpi = nominal thread diameter in inches-threads per inch
2
N-m = newton-meters
3
lbs-ft= pounds-foot
4
mm x pitch = nominal thread diameter in millimeters x thread Pitch
1 3/8" – 6NC
890
655
1990
1470
3230
2380
1 3/8" – 12NF
1010
745
2270
1670
3680
2710
1 1/2" – 6NC
1180
870
2640
1950
4290
3160
1 1/2" – 12NF
1330
980
2970
2190
4820
3560
*Torque tolerance +0%, -15% of torquing values. Unless otherwise specified use torque values listed above
5.8
8.8
10.9