Lenovo ThinkPad Z13 Gen 1 Hardware Maintenance Manual page 90

Step Screw (quantity)
1
M2 × L4 mm, flat-head, nylon-coated (1)
5
M2.5 × L4.5 mm, flat-head, nylon-coated (4)
84
ThinkPad Z13 Gen 1 and Z16 Gen 1 Hardware Maintenance Manual
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)
Silver 0.294 Nm
(3.0 kgf-cm)