Kubota G2160E - GENERAL TORQUE SPECIFICATION; TIGHTENING TORQUE CHART

45PERIODIC SERVICE
ENGLISH
GENERAL TORQUE SPECIFICATION
TIGHTENING TORQUE CHART
A Figure "7" on the top of the bolt indicates that the bolt is of special material.
A Before tightening, check the figure on the top of bolt.
American standard cap screws
with UNC or UNF threads
Metric cap screws
SAE grade No.
GR.5 GR.8
Property class
class 8.8 class 10.9
1/4
(N-m)
(kgf-m)
10.7 -12.9
1.11 - 1.33
16.1 - 19.3
1.66 - 1.99
M6
(N-m)
(kgf-m)
9.81 - 11.3
1.0 - 1.15
5/16
(N-m)
(kgf-m)
23.1 - 27.8
2.35 - 2.84
32.5 - 39.3
3.31 - 4.01
M8
(N-m)
(kgf-m)
23.6 - 27.4
2.4 - 2.8
29.4 - 34.3
3.0 - 3.5
3/8
(N-m)
(kgf-m)
47.5 - 57.0
4.84 - 5.82
61.0 - 73.2
6.22 - 7.47
M10
(N-m)
(kgf-m)
48.1 - 55.8
4.9 - 5.7
60.8 - 70.5
6.2 - 7.2
1/2
(N-m)
(kgf-m)
108.5 - 130.2
11.07 - 13.29
149.2 - 179.0
15.22 - 18.27
M12
(N-m)
(kgf-m)
77.5 - 90.1
7.9 - 9.2
103 - 117
10.5 - 12.0
9/16
(N-m)
(kgf-m)
149.2 - 179.0
15.22 - 18.27
217.0 - 260.4
22.14 - 26.57
M14
(N-m)
(kgf-m)
124 - 147
12.6 - 15.0
167 - 196
17.0 - 20.0
5/8
(N-m)
(kgf-m)
203.4 - 244.1
20.75 - 24.91
298.3 - 358.0
30.44 - 36.53
M16
(N-m)
(kgf-m)
196 - 225
20.0 - 23.0
260 - 303
26.5 - 31.0
Thread
Size
d (mm)
Hexa-Bolt
Head size
B (mm)
No mark 7T
N-m kgf-m N-m kgf-m
M8 12 or 13
17.8 to 20.6
(19.2 1.4)
19 to 2.1
(2.0 0.1)
23.5 to 27.5
(25.5 2.0)
2.4 to 2.8
(2.6 0.2)
M10 14 or 17
39.3 to 45.1
(42.2 2.9)
4.0 to 4.6
(4.3 0.3)
48.1 to 55.9
(52.0 3.9)
4.9 to 5.7
(5.3 0.4)
M12 17 or 19
62.8 to 72.6
(67.7 4.9)
6.4 to 7.4
(6.9 0.5)
77.6 to 90.2
(83.9 6.3)
8.0 to 9.2
(8.6 0.6)
M14 19 or 22
107.9 to 125.5
(116.7 8.8)
11.0 to 12.8
(11.9 0.9)
123.6 to 147.0
(135.3 11.7)
12.6 to 15.0
(13.8 1.2)