REXROTH A4VG - Page 38

38/40 Bosch Rexroth AG A4VG Series 40 | RE 92004-01-S031/08.2015
Settings
Table 6: Tightening torques for the fixing screws
Thread Tightening torque
1)
Strength classes
8.8 10.9 12.9
M3 1.1 Nm 1.6 Nm 1.9 Nm
M4 2.6 Nm 3.9 Nm 4.5 Nm
M5 5.2 Nm 7.6 Nm 8.9 Nm
M6 9.0 Nm 13.2 Nm 15.4 Nm
M8 21.6 Nm 31.8 Nm 37.2 Nm
M10 43 Nm 63 Nm 73 Nm
M12 73 Nm 108 Nm 126 Nm
M14 117 Nm 172 Nm 201 Nm
M16 180 Nm 264 Nm 309 Nm
M18 259 Nm 369 Nm 432 Nm
M20 363 Nm 517 Nm 605 Nm
M22 495 Nm 704 Nm 824 Nm
M24 625 Nm 890 Nm 1041 Nm
1)
The tightening torques of the slotted screw apply for screws in the “dry”.
The values apply for slotted screws with metric ISO-thread according to
DIN 13 Part 13, as well as under-cap bearing areas according to DIN 912
Socket Head Cap Screws, DIN 931 Hexagonal Cap Screws Partially Threaded
or DIN 933 Hexagon Cap Screws Fully Threaded.
Table 7: Tightening torques SEAL-LOCK sealing nuts
Thread size
Required tightening torque
SEAL-LOCK sealing nut M
A
M6 10 Nm
M6 x 0.5 11 Nm
M8 22 Nm
M8 x 1 24 Nm
M10 40 Nm
M10 x 1 44 Nm
M12 69 Nm
M12 x 1.5 72 Nm
M14 110 Nm
M14 x 1.5 120 Nm
M16 170 Nm
M16 x 1.5 180 Nm