Lenovo ThinkPad 13 Hardware Maintenance Manual page 92

Removal steps of the hinge kit for computer models with a plastic lid
Step Screw (quantity)
1
M2.5 × 3 mm, flat-head, nylon-coated (6)
86
ThinkPad 13 Hardware Maintenance Manual
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)