bergmann 4010 - Page 281

Dimension Width across flats
(mm)
Screw tightening torque M
A
(Nm)
Strength class 8.8 Strength class 10.9 Strength class 12.9
M8 13 25 36 43
M10 17 49 72 84
M12 19 85 125 145
M14 22 135 200 235
M16 24 210 310 365
M18 27 300 430 500
M20 30 425 610 710
M22 32 580 820 960
M24 36 730 1050 1220
50-020-1011-900_EN
1.0 - © 2/15/2017
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14 Appendix
14.3 Tightening torques