Samsung RF4402d-D1A - Appendix D Standard Torque; Standard Torque Value for Fastening Bolts; Connector Connection Torque Value

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RF4402d Series Installation Manual v1.0 117

Appendix D 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 42. Standard Torque Value for Fastening Bolts

Bolt Spec. Torque Value (N·m) Torque Value (lbf·in) Torque Value (kgf·cm)

M3 0.63 5.6 6.4

M4 1.5 13 15

M5 2.8 25 29

M6 4.9 43 50

M8 12 110 127

M10 25 217 250

M12 42 372 428

Table 43. Brass Bolts Torque Value

Bolt Spec. Torque Value (N·m) Torque Value (lbf·in) Torque Value (kgf·cm)

M6 2.9 26 30

M8 6.3 56 64

Table 44. Connector Connection Torque Value

Connector Torque Value (N·m) Torque Value (lbf·in) Torque Value (kgf·cm)

SMA connector 0.59 5.2 6

TNC connector 0.88 7.8 9

N-type connector 2 17 20

DIN-type connector 25 217 250

4.3-10-type connector 5 44 51

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.