Lenovo 20W000QQGE Hardware Maintenance Manual page 93

Step Screw (quantity)
4
M2 × 2.5 mm, big-head, nylon-coated (1)
When installing: Ensure that the connector is attached firmly.
Removal steps of the fingerprint reader cable, bracket and board (for models with RFID)
Color Torque
Black
0.18 +/- 0.015 Nm
(1.85 +/- 0.15 kgf-cm)
.
Chapter 8 Removing or replacing a FRU
87