OREC HRC663 - Tightening Torques (Nm)

22
TIGHTENING TORQUES (Nm)
Diameter
of
screw(mm)
Mark on the screw head
4
7 8 9 11
3
0.3~0.5
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---
---
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4
0.8~1.0
---
---
---
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5
2.5~3.4
5.4~6.4
6.4~7.4
6.4~7.4
8.8~9.8
6
4.9~6.9
9.8~11.8
11.8~13.7
11.8~13.7
14.7~16.7
8
11.8~16.7
24.5~29.4
29.4~34.3
34.3~36.2
36.3~41.2
10
20.6~29.4
39.2~44.1
49~53.9
49~53.9
72.6~82.4
12
44.1~53.9
83.4~93.2
93.2~107.9
93.2~107.9
122.6~137.3
14
63.7~78.5
117.7~132.4
132.4~147.1
147.1~166.7
205.9~225.6
16
88.3~107.9
152~171.6
176.5~196.1
215.8~245.2
313.8~343.2
18
117.7~137.3
205.9~235.4
245.2~274.6
313.8~343.2
441.3~470.7
20
147.1~166.71
235.4~274.6
313.8~353
441.3~480.5
617.8~657.1
22
176.5~205.9
421.7~451.1
539.4~578.6
608~647.2
843.4~882.6
24
235.4~264.8
539.4~568.8
706.1~745.3
784.5~823.8
1098.4~1137.6
Or without mark