Kioti KL135 User Manual page 57

TORQUE TIGHTENING CHART 2
Note : Use these torques, unless special torques are specified. Values are for course thread fasteners, plated or unplated as received
from supplier. Fasteners can be dry or lubricated with normal engine oil. Values do not apply if graphite, moly-disulphide or
other extreme pressure lubricant is used.
ISO Class No.
Bolt head identification
(see note 1)
Bolt Size
M4
M5
M6
M8
M10
M12
*M14
M16
M20
M24
M30
M36
Note 1: Bolt head identification marks as per grade. Manufacturing marks will vary. *Thick nuts must be used with Grade 8 bolts.
KL135-12.indd 3
METRIC FASTENER (ISO) TORQUE CHART
8.8
8.8
Nm FT LBS
Min. Max. Min. Max. Min.
3 4 2 3
6.5 8 5 6 9.5
10.5 12 8 9 15
26 31 19 23 37
52 61 38 45 73
90 107 66 79 125
144 172 106 127 200
217 271 160 200 310
434 515 320 380 610
675 815 500 600 1050
1250 1500 920 1100 2000
1600 1950 3500
2175 2600
TORQUE TIGHTENING CHART 12-3
10.9
10.9
Nm FT LBS
Max. Min. Max. Min.
4 5 3 4 Because of the low ductility
of these fasteners, the torque
11 7 8
range is to be determined indi-
17.5 11 13
vidually for each application.
As a general rule, the torque
43 27 32
ranges specified for grade
87 54 64
10.9 fasteners can be used
150 93 112
satisfactorily on 12.9 fasten-
ers.
245 149 179
380 230 280
* M14 is not a preferred size.
730 450 540
1275 780 940
2400 1470 1770
4200 2580 3090
12.9
12.9
Nm FT LBS
Max. Min. Max.
2013-02-01 오전 11:28:27