Lenovo ThinkPad S1 Yoga Hardware Maintenance Manual page 70

Step Screw (quantity)
1
M3 × 3 mm, flat-head, nylon-coated (4)
For models with a digitizer pen
Removal steps of the hard disk drive or solid-state drive
Step Screw (quantity)
1
M2 × 4 mm, flat-head, nylon-coated (2)
64
Hardware Maintenance Manual
1
1
Color Torque
0.392 Nm
Silver
(4.0 kgf-cm)
Color Torque
Silver 0.181 Nm
(1.85 kgf-cm)