Lenovo ThinkPad S440 Hardware Maintenance Manual page 102

Step Screw (quantity)
4
M2.5 × 4 mm, wafer-head, nylon-coated (4)
5
M2 × 4 mm, wafer-head, nylon-coated (4)
96
Hardware Maintenance Manual
Color Torque
Black 0.196 Nm
(2.00 kgf-cm)
Black 0.196 Nm
(2.00 kgf-cm)