Lenovo ThinkPad Edge E520 Hardware Maintenance Manual page 86

Step Screw (quantity)
1
M2 × 6 mm, wafer-head, nylon-coated (1)
Note: Your models may look slightly different from the illustration above.
Step Screw (quantity)
2
M2 × 6 mm, wafer-head, nylon-coated (3)
When installing: Make sure that the connector is attached firmly to the system board.
For ThinkPad Edge E520 models
80
Hardware Maintenance Manual
Color Torque
Black 0.181 Nm
(1.85 kgfcm)
Color Torque
Black 0.181 Nm
(1.85 kgfcm)