63
Extraction torque for screws
10.
Minimum torques for the screw classes II correspond to 1c
Apply to solid screws Use suitable tools with which to achieve the tightening torque.
Dimensions
M nominal value in Nm
Strength class 8.8
M nominal value in Nm
Strength class 10.9
M nominal value in Nm
Strength class 12.9
M4
2.7
3.8
4.6
M5
5.4
7.6
9.1
M6
9.2
13.0
15.5
M8
22.0
31.0
37.5
M8 x 1
24.0
33.5
40.0
M10
43.5
61.0
73.5
M10 x 1.25
46.0
65.0
77.5
M10 x 1
50.0
70.0
84.0
M12
76.0
106.0
127.0
M12 x 1.5
79.0
111.0
133.0
M12 x 1.25
82.5
116.0
139.0
M14
120.0
168.5
202.0
M14 x 1.5
130.0
183.0
219.0
M16
187.0
262.0
314.0
M16 x 1.5
198.0
278.0
333.0
M18
257.5
362.0
433.0
M18 x 2
272.0
382.0
457.5
M18 x 1.5
287.0
403.0
483.0
M20
362.5
509.0
610.0
M20 x 2
381.0
535.0
641.0
M20 x 1.5
400.0
562.0
673.0