Benelli TNT125 - Special Tools

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
Basic fastening torque and
torque
N·m
kgf·m
4 2.3 0.2
5
4.5
0.4
6 10 1.0
8
25
2.5
10 45 4.5
12 80 8.0
14
130
13.0
16 200 20.0
18
240
24.0
20 325 32.5
Bolt and Screw Fastening Torque and Relevant Parameters
Bolt/screw
Basic fastening torque
Level 8.8
Level 10.9
Level 12.9
N•m
Kg.f·m
N•m
Kg.f·m
N•m
Kg.f·m
M4×0.7
3
0.3
4.2
0.4
5.2
0.5
M5×0.8 6 0.6 7.5 0.8 9 0.9
M6×1 10 1.0 13 1.3 16 1.6
M8×1.25 22 2.2 30 3.0 40 4.0
M8×1（*）
25 2.5 36 3.6 45 4.5
M10×1.5 45 4.5 65 6.5 80 8.0
M10×1.25（*）
50 5.0 70 7.0 85 8.5
M12×1.75
80
8.0
110
11.0
135
13.5
M12×1.5
（
*
）
85
8.5
120
12.0
145
14.5
M12×1.25
（
*
）
90
9.0
130
13.0
150
15.0
M14×2 130 13.0 185 18.5 220 22.0
M14×1.5（*）
150 15.0 205 20.5 245 24.5
M16×2 200 20.0 280 28.0 335 33.5
M16×1.5（*）
225 22.5 310 31.0 360 36.0
M18×2.5 265 26.5 370 37.0 450 45.0
M18×1.5（*）
320 32.0 450 45.0 550 55.0
M20×2.5
390
39.0
550
55.0
650
65.0
M20×1.5
（
*
）
440 44.0 630 63.0 750 75.0
M22×2.5 540 54.0 750 75.0 900 90.0
M22×1.5
（
*
）
600
60.0
850
85.0
1000
100.0
M24×3 670 67.0 950 95.0 1130 113.0
M24×2（*）
750 75.0 1050 105.0 1250 125.0
*: it is fine thread
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