ADJUSTMENT 69
TIGHTENING
TORQUE
CHART
Thread
Hexa-Bolt No mark 7T
size Head size
d (mm) B (mm)
ft-Ibs N-m kgf-m
ft-Ibs
N-m
kgf-m
M8
12
or
13
13.0
-15.2
17.8 - 20.6
1.9-2.1
17.5 - 20.3
23.5 - 27.5
2.4 - 2.8
(14.1±1.1) (19.2±1.4)
(2.0 ± 0.1)
(18.9±
1.4) (25.5 ± 2.0) (2.6 ± 0.2)
M10
14
or
17
28.9 - 33.3 39.3 -
45.1
4.0 - 4.6 35.4 - 41.2
48.1
- 55.9 4.9 - 5.7
(31.1 ± 2.2) (42.2 ± 2.9) (4.3 ± 0.3) (38.3 ± 2.9) (52.0 ± 3.9) (5.3 ± 0.4)
M12 17
or
19
46.3 - 53.5 62.8
-72.6
6.4
-7.4
57.1-66.5
77.6 - 90.2 8.0 - 9.2
(49.9 ± 3.6)
(67.7 ± 4.9)
(6.9 ± 0.5)
(61.8 ± 4.7) (83.9 ± 6.3) (8.6 ± 0.6)
M14 19 or 22
79.6·92.6
107.9
·125.5
11.0-12.8
91.1
-108.5
123.6
-147.0
12.6
·15.0
(86.1 ± 6.5)
(116.7±8.8)
(11.9 ± 0.9) (99.8 ± 8.7)
(135.3±11.7)
(13.8 ± 1.2)
NOTE:
• Figure "7" on the top
of
the bolt indicates that the bolt is
of
special material.
•
Before tightening, check the figure
on
the top
of
bolt.
d
~(J
Scale II" rI
"I
d I
II
I"
111111111111
11"1
II"
11I1
"
""
I"
III
I " I
"II
I"
I"" I
1 BDABARAP006A o
10
20
30
40
50
60
70(mm)