Krone Big Pack 1270 - Page 340

Maintenance
340
Pos: 114.14.1 /Ü berschriften/Ü berschriften 2/A- E/AAnziehdre hmomente @ 2 02\mod_1385 711894606_7 8.docx @ 16931 23 @ 2 @ 1
20.3 Tightening torques
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20.3.1 Metric Thread Screws with Control Thread
Pos: 114.14.3 / BA/Wartung/Dreh momente / Anzi ehdrehmoment e/Anziehdrehm omente Metrisc he Gewindesc hrauben mit R egelgewinde Tabelle @ 321\ mod_142476 0222607_78.doc x @ 2477725 @ @ 1
NOTICE
The table does not apply to countersunk screws with hexagonal socket in case the countersunk
screw is tightened via hexagonal socket.
Tightening torque in Nm (unless
otherwise stated)
A = thread size
(stability class can be seen on screw head)
A
Stability class
5.6
8.8
10.9
12.9
Tightening torque (Nm)
M4
3.0
4.4
5.1
M5
5.9
8.7
10
M6
10
15
18
M8
25
36
43
M10
29
49
72
84
M12
42
85
125
145
M14
135
200
235
M16
210
310
365
M20
425
610
710
M22
571
832
972
M24
730
1050
1220
M27
1100
1550
1800
M30
1450
2100
2450
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