Screw Torque Table - Delta PCS100 Installation Manual

Screw Torque Table

1. The torque level for M3~M5 screws is 4.8, refer to the following torque standard table to make
sure the washers are in close contact with the screws.
Table 18: Screw Torque Table for M3~M5 Screws
Screw Type
Screw Thread
Material
Securing Secured
Steel Plate Steel Plate
Steel Plate Aluminum Plate
Aluminum Plate Aluminum Plate
Plastic Aluminum Plate
Plastic Steel Plate
PWB Steel Plate
Insulator Copper Plate
2. The torque level for M6 or bigger screws is 8.8, refer to the following torque standard table to
make sure the washers are in close contact with the screws.
Table 19: Screw Torque Table for M6~M16 Screws
Screw Type
Screw Thread
Material
Securing Secured
Steel Steel
Plate Plate
Copper Copper
Plate Plate
Copper
Insulator
Plate
Installation Manual
Screw Assembly Torque Standard
M3
Standard
N/A
0.8 ± 0.15
0.7 ± 0.1
0.6 ± 0.1
0.6 ± 0.1
0.6 ± 0.2
0.6 ± 0.2
Screw Assembly Torque Standard
M6 M8 M10
Standard Standard Standard Standard Standard Standard Customized
N/A
5 ± 1 12.5 ± 1 25 ± 2
5 ± 1 12.5 ± 1 25 ± 2
5 ± 1 10 ± 1 12.5 ± 2
M4
Standard
1.4 ± 0.2
1.4 ± 0.15
0.8 ± 0.15
0.8 ± 0.15
1.0 ± 0.2
1.2 ± 0.2
M12 M14
42 ± 3 N/A
42 ± 3 N/A
N/A N/A
64
Appendix
Unit: N· m
M5
Standard
3.0 ± 0.2
3.0 ± 0.2
1.2 ± 0.2
1.2 ± 0.2
N/A
1.6 ± 0.2
Unit: N· m
M16 ST5.5
100 ± 10 5.5 ± 1
100 ± 10 N/A
N/A N/A