×
Siemens Industry Online Support
Siemens AG
Entry type: FAQ, Entry ID: 109755249, Entry date: 01/25/2018
(0)
Rate

SIMOGEAR, 2KJ1/2KJ3: Tightening torques for fastening bolts

  • Entry
  • Associated product(s)
What are the correct tightening torques for the fastening bolts?

The general tolerance for the tightening torque in Nm is 10 %.


Thread size  Tightening torque at strength class


8.810.912.9
[Nm][Nm][Nm]

M4

3

4

5

M5

6

9

10

M6

10

15

18

M8

25

35

41

M10

50

70

85

M12

90

120

145

M16

210

295

355

M20

450

580

690

M24

750

1 000

1 200

M30

1 500

2 000

2 400

M36

2 500

3 600

4 200


Security information
In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about industrial security, please visit
http://www.siemens.com/industrialsecurity.