Attachment：table For Bolt's Tightening Torque - HANGCHA Mini Range CDD12-A2MJ-SZ Operation And Maintenance Manual

Attachment：Table for bolt's tightening torque
Bolt's
diameter
6
8
10
12
14
16
18
20
22
24
27
Note：· Use entirely 8.8 grade bolt in the important joint position.
·Bolt's grade can be found in the head of the bolt, if it can't be found, the grade is 8.8.
4.6
4～5
10～12
20～25
35～44
54～69
88～108
118～147
167～206
225～284
294～370
441～519
Grade
5.6
5～7
12～15
25～31
44～54
69～88
108～137
147～186
206～265
284～343
370～441
539～686
76
6.6
6～8
14～18
29～39
49～64 76～107
83～98 121～162
127～157 189～252
176～216 260～347
245～314 369～492
343～431 502～669
441～539 638～850
637～784 933～1244
：
Unit N· m
8.8
9～12
22～29
44～58