Kuka KR 30 HA, Assembly Instructions Manual

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10 Tightening torques
105 of 122 MA KR 30, 60 HA, KR C4 04.11.02 en
10 Tightening torques
Information!
The following tightening torques are valid for screws and nuts where no other specifica-
tions are given.
The specified values apply to lightly oiled black (e.g. phosphated) and coated (e.g.
mech.galv., zinc flake plating) screws and nuts.
Notice!
Too high a tightening torque can cause the screws to be overloaded and to frac-
ture. This might result in damage to the components.
Tighten the screws with the specified torque in order to avoid damage.
Strength classes
Screw size 8.8 10.9 12.9
M1.6 0.17 Nm 0.24 Nm 0.28 Nm
M2 0.35 Nm 0.48 Nm 0.56 Nm
M2.5 0.68 Nm 0.93 Nm 1.10 Nm
M3 1.2 Nm 1.6 Nm 2.0 Nm
M4 2.8 Nm 3.8 Nm 4.4 Nm
M5 5.6 Nm 7.5 Nm 9.0 Nm
M6 9.5 Nm 12.5 Nm 15.0 Nm
M8 23.0 Nm 31.0 Nm 36.0 Nm
M10 45.0 Nm 60.0 Nm 70.0 Nm
M12 78.0 Nm 104.0 Nm 125.0 Nm
M14 125.0 Nm 165.0 Nm 195.0 Nm
M16 195.0 Nm 250.0 Nm 305.0 Nm
M20 370.0 Nm 500.0 Nm 600.0 Nm
M24 640.0 Nm 860.0 Nm 1030.0 Nm
M30 1330.0 Nm 1700.0 Nm 2000.0 Nm