Tightening Torque Chart

For other bolts and nuts not listed in the preceding page, refer to this chart:

Bolt Diameter ® (mm)

Conventional or "4" marked bolt

"7" marked bolt

Nm

kgf-m

Ib-ft

Nm

kgf-m

Ib-ft

4

1.5

0.15

1.0

2

0.2

1.5

5

3

0.3

2.0

5

0.5

3.5

6

6

0.6

4.5

10

1.0

7.0

8

13

1.3

9.5

23

2.3

16.5

10

29

2.9

21.0

50

5.0

36.0

12

45

4.5

32.5

85

8.5

61.5

14

65

6.5

47.0

135

13.5

97.5

16

105

10.5

76.0

210

21.0

152.0

18

160

16.0

115.5

240

24.0

173.5

Conventional bolt

"4" marked bolt

"7" marked bolt

Conventional bolt

"4" marked bolt

"7" marked bolt

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