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Shibaura SG280B - Tightening Torques

Shibaura SG280B
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11
Section 11 Others
5. Tightening Torque List
[Bolt and Nat]
Nominal
size of
thread
Strength
division of
bolts
Coarse screw thread Fine screw thread
Pitch
Tightening torque
Pitch
Tightening torque
(Nm)
(kgfcm)
(Nm)
(kgfcm)
M4
4T, 4.8
0.7
1.52.1
1521
7T, 8T, 8.8
2.63.6
2737
10T, 10.9
3.54.9
3650
M5
4T, 4.8
0.8
2.84.0 2941
7T, 8T, 8.8
4.96.9 5070
10T, 10.9
6.79.3 6896
M6
4T, 4.8
1.0
4.96.9 5070
7T, 8T, 8.8
8.311.3
85115
10T, 10.9
11.715.7
120160
M8
4T, 4.8
1.25
12.716.7
130170
1.0
15.220.2 155205
7T, 8T, 8.8
22.628.4 230290
26.534.3 270350
10T, 10.9
28.536.3
290370
30.440.2 310410
M10
4T, 4.8
1.5
25.533.3 260340
1.25
28.536.3 290370
7T, 8T, 8.8
44.155.9
450570
49.062.8 500640
10T, 10.9
54.069.6 550710
57.973.5
590750
M12
4T, 4.8
1.75
37.347.1
380480
1.25
43.154.9
440560
7T, 8T, 8.8
65.783.3
670850
74.594.1 760960
10T, 10.9
92.0116.0
9401180 99.0127.0 10101290
M14
4T, 4.8
2.0
62.880.4 670850
1.5
69.787.3 710890
7T, 8T, 8.8
104.0132.0 10601340 116.0148.0 11901510
10T, 10.9
139.0175.0 14201780 149.0185.0 15201880
M16
4T, 4.8
2.0
86.1110.1 8801120
1.5
91.0115.0 9301170
7T, 8T, 8.8
149.0185.0
15201880 157.0193.0 16001960
10T, 10.9
205.0255.0 21002600 220.0270.0 22502750
M18
4T, 4.8
2.0
113.0141.0 11601440
1.5
131.0163.0 13401660
7T, 8T, 8.8
196.0236.0
20002400
230.0280.0
23502850
10T, 10.9
275.0333.0
28003400
299.0367.0
30503750
M20
4T, 4.8
2.5
144.0180.0
14701830
1.5
171.0211.0 17502150
7T, 8T, 8.8
240.0290.0
24502950
275.0333.0
28003400
10T, 10.9
363.0441.0
37004500 397.0485.0 40504950
[Cautions] Refer to the bolt head mark for intensity classification.

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