bergmann 4010 - Page 282

Dimension Width across flats
(mm)
Screw tightening torque M
A
(Nm)
Strength class 8.8 Strength class 10.9 Strength class 12.9
M27 41 1100 1550 1800
M30 46 1450 2100 2450
Tab. 14.1: General tightening torques - metric coarse-pitch thread
Setscrews, metric fine thread DIN 13, Part 13
Dimension Width across flats
(mm)
Screw tightening torque M
A
(Nm)
Strength class 8.8 Strength class 10.9 Strength class 12.9
M8 x 1 13 27 39 46
M10 x 1.25 17 52 76 90
M12 x 1.25 19 93 135 160
M12 x 1.5 19 89 130 155
50-020-1011-900_EN
1.0 - © 2/15/2017
282
14 Appendix
14.3 Tightening torques