Cable support systems

Tightening torques

Different tightening torques apply when mounting a cable support system. Please note that the specified torques are only intended as rough, non-binding guide values. (See VDI 2230)!

Tightening torques of bolts with metric thread

Thread

Grade 5.6

Grade 6.9

Grade 8.8

Grade 10.9

Grade 12.9

M6

3.9 Nm

8.5 Nm

10 Nm

14 Nm

17 Nm

M8

9.8 Nm

21 Nm

25 Nm

35 Nm

41 Nm

M10

19.6 Nm

41 Nm

49 Nm

69 Nm

83 Nm

M12

33.4 Nm

72 Nm

86 Nm

120 Nm

145 Nm

M14

54 Nm

115 Nm

135 Nm

190 Nm

230 Nm

M16

82 Nm

180 Nm

219 Nm

295 Nm

355 Nm

M18

114 Nm

245 Nm

290 Nm

400 Nm

485 Nm

M20

163 Nm

345 Nm

410 Nm

580 Nm

690 Nm

Tightening torques of bolts with metric thread made of stainless steel

Thread

Resistance grade 50

Resistance grade 70

Resistance grade 80

M6

3.8 Nm

8.2 Nm

10.9 Nm

M8

9.2 Nm

19.6 Nm

26.2 Nm

M10

19 Nm

39 Nm

53 Nm

M12

31 Nm

67 Nm

89 Nm

M14

50 Nm

106 Nm

142 Nm

M16

76 Nm

162 Nm

216 Nm

M18

105 Nm

225 Nm

299 Nm

M20

148 Nm

316 Nm

422 Nm