Lenovo Legion Slim 5 Hardware Maintenance Manual page 36

Figure 5. Remove the lower case (for thick models)
Screw specifications
M2 × L8
Figure 6. Remove the lower case (for thin models)
Screw specifications
M2 × L8
M2 × L5
Go to https://support.lenovo.com/partslookup
replacement part:
Lower case
30
Lenovo Legion Slim 5 (16", 9)Hardware Maintenance Manual
Number of screws
10
Number of screws
4
6
to look up the Lenovo part numbers of the following
Torque
1.85 ± 0.15 kgf-cm
Torque
1.85 ± 0.15 kgf-cm
1.85 ± 0.15 kgf-cm