MASSEY FERGUSON 6400 Workshop Service Manual page 62

Miscellaneous
Table 1: Tightening torque values. Zinc-plated metric threads
Nominal
dimension d
M3
M4
M5
M6
M8
M10
M12
M16
M20
M24
M30
M36
Table 2: Reduced tightening torque values. Metric threads
Nominal
dimension d
M3
M4
M5
M6
M8
M10
M12
M16
M20
M24
M30
M36
1C10.6
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H
Tensile grade
ISO 8.8 (SAE 5, BS S)
Torque Nm
Min Max
1.3 1.7
3.1 4.1
6 8
10 14
25 35
50 70
90 120
200 260
420 560
720 960
1400 1800
2500 3300
Tensile grade
ISO 8.8 (SAE 5, BS S)
Torque Nm
Min Max
1 1.4
2.5 3.3
4.8 6.4
8 11
20 28
40 56
72 96
160 210
340 450
570 770
1100 1400
2000 2600
Tensile grade
ISO 10.9 (SAE 8, BS V)
Torque Nm
Min Max
1 2.4
4 5.7
8 11.5
14 20
36 46
72 96
120 160
300 400
600 800
1000 1300
2100 2800
3600 4800
Tensile grade
ISO 10.9 (SAE 8, BS V)
Torque Nm
Min Max
1 1.9
3 4.6
6 9.2
12 16
29 37
57 77
100 130
240 320
480 640
800 1040
1700 2200
2900 3800
Massey Ferguson 6400 - Issue 4.b