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E2A - General table of recommended torques for bolts and nuts, in N.m
Grade
ISO 4.6 = SAE 1
Gauge
Nom.
Max.
1/4"
5.6
6.4
5/16"
11.3
13.0
3/8"
21.0
24.0
7/16"
33.0
38.0
1/2"
50.0
57.0
5/8"
100.0
110.0
3/4"
175.0
200.0
7/8"
290.0
330.0
1"
435.0
500.0
1 1/8"
450.0
510.0
1 1/4"
630.0
720.0
1 1/2"
1130.0
1300.0
E2B - General table of recommended torques for bolts and nuts, in N.m
Grade
ISO 4.6 = SAE 1
Gauge
Nom.
Max.
1/4"
7
8
5/16"
14
16
3/8"
26
30
7/16"
41
47
1/2"
63
72
5/8"
125
140
3/4"
220
250
7/8"
360
410
1"
540
620
1 1/8"
560
640
1 1/4"
790
900
1 1/2"
1400
1600
MF 400 Xtra
Inches thread, LOW torque
Grade ISO 8.8 = SAE 5
Min.
Nom.
Max.
4.8
10.4
12.0
9.6
21.0
24.0
18.0
36.5
42.0
28.0
60.0
69.0
43.0
92.0
104.0
90.0
185.0
210.0
15.,0
325.0
370.0
250.0
530.0
610.0
370.0
785.0
900.0
390.0
970.0
1100.0
540.0
1400.0
1600.0
960.0
2400.0
2700.0
Inches thread, NORMAL torque
Grade ISO 8.8 = SAE 5
Min.
Nom.
Max.
6
13
15
12
26
30
22
46
53
35
75
86
54
115
130
110
230
260
190
405
460
310
660
760
460
980
1120
480
1220
1390
680
1750
2000
1200
3000
3400
Introduction
Grade ISO 10.9 = SAE 8
Min.
Nom.
Max.
8.8
15.5
18.0
18.0
29.5
34.0
31.0
52.0
60.0
51.0
84.0
96.0
80.0
125.0
140.0
160.0
260.0
300.0
280.0
460.0
530.0
450.0
745.0
850.0
670.0
1120.0
1280.0
840.0
1560.0
1760.0
1200.0
2240.0
2560.0
2100.0
3800.0
4320.0
Grade ISO 10.9 = SAE 8
Min.
Nom.
Max.
11
19
22
22
37
43
39
65
75
64
105
120
100
160
180
200
325
370
350
575
660
560
930
1060
840
1400
1600
1050
1950
2200
1500
2800
3200
2600
4750
5400
01
Min.
13.0
25.0
44.0
72.0
110.0
220.0
390.0
640.0
960.0
1360.0
1920.0
3280.0
Min.
16
31
55
90
140
280
490
800
1200
1700
2400
4100
01A01-17
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