16 Maintenance
16.4 Tightening torques
168
Comprima V 180
Original Operating Instructions 150001053_00_en
X Strength 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 1,121 1,312
M27 x 2 1,148 1,635 1,914
M30 x 1.5 800 2,100 2,650
Metric thread screws with countersunk head and hexagon socket
INFORMATION
The table applies only to countersunk screws with hexagon socket and metric thread
tightened via hexagon socket.
DV000-000
X Thread size 1 Strength class on screw head
X Strength 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
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