User's Manual

Chapter 4 Inspect the Installation
RFD01F Series Installation Manual v1.0 94
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Appendix C Standard Torque
When operator fastens the bolt, refer to the standard torque value below to prevent
the equipment and bolt from damage and secure by fastening. When the torque
value for each connection part is defined already, refer to the defined value.
Table 30. Standard Torque Value for Fastening Bolts
Bolt Spec.
Torque Value (kgf·cm)
Torque Value (N·m)
Torque Value (lbf·in)
M3
6.4
0.63
5.6
M4
15
1.5
13
M5
29
2.8
25
M6
50
4.9
43
M8
127
12
110
M10
250
25
217
M12
428
42
372
Table 31. Brass Bolts Torque Value
Bolt Spec.
Torque Value (kgf·cm)
Torque Value (N·m)
Torque Value (lbf·in)
M6
30
2.9
26
M8
64
6.3
56
Table 32. Connector Connection Torque Value
Connector
Torque Value (kgf·cm)
Torque Value (N·m)
Torque Value (lbf·in)
SMA connector
6 kgf·cm
0.59
5.2
TNC connector
9 kgf·cm
0.88
7.8
N-type connector
20 kgf·cm
2
17
DIN-type connector
250 kgf·cm
25
217
Torque value can be different, defending on the material, characteristic and specification of
the equipment and fastener. Make sure to check the proper torque value for each
specification of the equipment and fastener.