MTU 16V4000M*3 series Operating Instructions Manual page 30

M18
M18 x 1.5
M20
M20 x 1.5
M22
M22 x 1.5
M24
M24 x 1.5
M24 x 2
M27
M27 x 2
M30
M30 x 2
M = tightening torques
A
Tightening torques for studs
M6
M8
M10
M12
M14
M16
M = tightening torques
A
Tightening torques for setscrews and nuts made of stainless steel
The values in the table are based on a friction coefficient µtot = 0.12, lubricated with Molykote on the thread
and under the screw head.
Basic size
M5
M6
M8
M10
M12
M16
M20
M = tightening torques
A
28 | General Information | MS15035/00E 2018-08
Thread
Thread
Steel M
Hand-tightening
8.8 M (Nm) 10.9 M
A A
250 350
280 400
350 500
390 550
480 680
520 730
600 850
680 950
660 900
900 1250
960 1350
1200 1700
1350 1900
screwed into
Gray cast iron M
A
(Nm) (Nm)
9
11
17
27
37
55
Strength class
70
M M
A
(Nm) (Nm)
3.7 4.9
6.4 8.5
15.3 20.4
31
52
126 167
254 326
Machine-tightening
(Nm) 8.8 M (Nm)
A
240
270
330
350
450
490
570
640
620
850
900
1100
1250
AI alloy M
A
6
9
13
23
33
45
80
A
41
70
10.9 M (Nm)
A
330
380
475
520
650
700
810
900
850
1175
1275
1600
1800
A
(Nm)
6
10
13
18
33
–
Material
A2 / A4
A2 / A4
A2 / A4
A2 / A4
A2 / A4
A2 / A4
A2 / A4