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5 Damage prevention
5.4 Bolted connections
MITSUBISHI FUSO body/equipment mounting directives for FE Issue date: 20. 10. 2020
! Only print out complete sections from the current version
5.4 Bolted connections
Use the specified bolts and nuts. Unless otherwise specified, tighten to the torques shown in the table below.
Make sure that the thread and washer are dry when tightening.
If strength categories differ between a nut and bolt (or stud bolt), tighten the nut to the torque specified for the
bolt.
• Hex bolt and stud bolt
Unit: N·m {kgf·m}
Strength
category
4T 7T 8T
Indication
Nominal
diameter
mm
M5
2 to 3
{0.2 to 0.3}
—
4 to 6
{0.4 to 0.6}
—
5 to 7
{0.5 to 0.7}
—
M6
4 to 6
{0.4 to 0.6}
—
7 to 10
{0.7 to 1.0}
—
8 to 12
{0.8 to 1.2}
—
M8
9 to 13
{0.9 to 1.3}
—
16 to 24
{1.7 to 2.5}
—
19 to 28
{2.0 to 2.9}
—
M10
18 to 27
{1.8 to 2.7}
17 to 25
{1.8 to 2.6}
34 to 50
{3.5 to 5.1}
32 to 48
{3.3 to 4.9}
45 to 60
{4.5 to 6.0}
37 to 55
{3.8 to 5.7}
M12
34 to 50
{3.4 to 5.1}
31 to 45
{3.1 to 4.6}
70 to 90
{7.0 to 9.5}
65 to 85
{6.5 to 8.5}
80 to 105
{8.5 to 11}
75 to 95
{7.5 to 10}
M14
60 to 80
{6.0 to 8.0}
55 to 75
{5.5 to 7.5}
110 to 150
{11 to 15}
100 to 140
{11 to 14}
130 to 170
{13 to 17}
120 to 160
{12 to 16}
M16
90 to 120
{9.0 to 12}
90 to 110
{9 to 11}
170 to 220
{17 to 23}
160 to 210
{16 to 21}
200 to 260
{20 to 27}
190 to 240
{19 to 25}
M18
130 to 170
{14 to 18}
120 to 150
{12 to 16}
250 to 330
{25 to 33}
220 to 290
{22 to 30}
290 to 380
{30 to 39}
250 to 340
{26 to 35}
M20
180 to 240
{19 to 25}
170 to 220
{17 to 22}
340 to 460
{35 to 47}
310 to 410
{32 to 42}
400 to 530
{41 to 55}
360 to 480
{37 to 49}
M22
250 to 330
{25 to 33}
230 to 300
{23 to 30}
460 to 620
{47 to 63}
420 to 560
{43 to 57}
540 to 720
{55 to 73}
490 to 650
{50 to 67}
M24
320 to 430
{33 to 44}
290 to 380
{29 to 39}
600 to 810
{62 to 83}
540 to 720
{55 to 73}
700 to 940
{72 to 96}
620 to 830
{63 to 85}
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