Krone Swadro TC 880, Operating Instructions Manual

Page: 92 / 128

Maintenance
92
13.5.2 Metric Thread Screws with Fine Thread
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)
M12 x
1.5: 88 130 152
M14 x 1.5 145 213 249
M16 x 1.5 222 327 382
M18 x 1.5 368 525 614
M20 x 1.5 465 662 775
M24 x 2 787 1121 1312
M27 x 2 1148 1635 1914
M30 x 1.5 800 2100 2650
13.5.3 Metric Thread Screws with Countersunk Head and Hexagonal Socket
NOTICE
The table applies only to countersunk screws with hexagonal socket and metric thread which
are 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 2.5 3.5 4.1
M5 4.7 7 8
M6 8 12 15
M8 20 29 35
M10 23 39 58 67
M12 34 68 100 116
M14 108 160 188
M16 168 248 292
M20 340 488 568
A
BM 400 0234