Installation and Commissioning
52
Carefully read these Operating Instructions before starting any work!
This is especially valid for the chapter on General Safety Instructions
and the safety instructions in each of the chapters.
6.9
Torques for screw and bolt connections to Works Standard M 3059
Screws and bolts / nuts with external‐ or internal hex, head without collar or flange
Thread size
x pitch
Strength classes / tightening torques in Nm
for
8.8 / 8
for
10.9 / 10
for
12.9 / 12
M4
2.5
4.0
4.5
M5
5.0
7.5
9.0
M6
9.0
13.0
15.0
M7
14.0
20.0
25.0
M8
22.0
30.0
35.0
M8x1
23.0
35.0
40.0
M10
45.0
65.0
75.0
M10x1.25
45.0
65.0
75.0
M10x1
50.0
70.0
85.0
M12
75.0
105.0
125.0
M12x1.5
75.0
110.0
130.0
M12x1.25
80.0
115.0
135.0
M14
115.0
170.0
200.0
M14x1.5
125.0
185.0
215.0
M16
180.0
260.0
310.0
M16x1.5
190.0
280.0
330.0
M18
260.0
370.0
430.0
M18x2
270.0
290.0
450.0
M18x1.5
290.0
410.0
480.0
M20
360.0
520.0
600.0
M20x2
380.0
540.0
630.0
M20x1.5
400.0
570.0
670.0
M22
490.0
700.0
820.0
M22x2
510.0
730.0
860.0
M22x1.5
540.0
770.0
900.0
M24
620.0
890.0
1040.0
M24x2
680.0
960.0
1130.0
M24x1.5
740.0
1030.0
1220.0
