Nut, Bolt, Screw Fastening Torque And Relative Parameters - Benelli TNT 25 Maintenance Manual

Nut, Bolt, Screw Fastening Torque and Relative Parameters

The following table shows the basic torques of bolt and nut (different thread diameters correspond to different
tightening torques). This table is only applicable to the bolt and nut without the need for specific torque value. All the values
in the following table are applicable to the thread cleaned using anhydrous solvent.
Nut Fastening Torque and Relevant Parameters
Nut
4
5
6
8
10
12
14
16
18
20
Bolt and Screw Fastening Torque and Relevant Parameters
Bolt/screw
M4×0.7
M5×0.8
M6×1
M8×1.25
M8×1(*)
M10×1.5
M10×1.25(*)
M12×1.75
M12×1.5(*)
M12×1.25(*)
M14×2
M14×1.5(*)
M16×2
M16×1.5(*)
M18×2.5
M18×1.5(*)
M20×2.5
M20×1.5(*)
M22×2.5
M22×1.5(*)
M24×3
M24×2(*)
*: it is fine thread
Basic fastening torque and torque
N·m kgf·m
2.3
4.5
10
25
45
80
130
200
240
325
Level 8.8
N·m kgf·m
3 0.3
6 0.6
10 1.0
22 2.2
25 2.5
45 4.5
50 5.0
80 8.0
85 8.5
90 9.0
130 13.0
150 15.0
200 20.0
225 22.5
265 26.5
320 32.0
390 39.0
440 44.0
540 54.0
600 60.0
670 67.0
750 75.0
0.2
0.4
1.0
2.5
4.5
8.0
13.0
20.0
24.0
32.5
Basic fastening torque
Level 10.9
N·m
4.2 0.4
7.5 0.8
13 1.3
30 3.0
36 3.6
65 6.5
70 7.0
110 11.0
120 12.0
130 13.0
185 18.5
205 20.5
280 28.0
310 31.0
370 37.0
450 45.0
550 55.0
630 63.0
750 75.0
850 85.0
950 95.0
1050 105.0
2-9
Level 12.9
kgf·m N·m
5.2
9
16
40
45
80
85
135
145
150
220
245
335
360
450
550
650
750
900
1000
1130
1250
kgf·m
0.5
0.9
1.6
4.0
4.5
8.0
8.5
13.5
14.5
15.0
22.0
24.5
33.5
36.0
45.0
55.0
65.0
75.0
90.0
100.0
113.0
125.0