Lenovo 019923U Hardware Maintenance Manual page 87

Steps 5a are for ThinkPad Edge 14" and E40, and steps
Step Screw (quantity)
5a
or
M2.5 × 6.5 mm, wafer-head, nylon-coated (4)
5b
5b are for ThinkPad Edge 15" and E50.
Color
Black
.
Chapter 8 Removing or replacing a FRU
Torque
0.392 Nm
(4 kgf-cm)
81