Lenovo X380 Yoga Hardware Maintenance Manual page 91

Step Screw (quantity)
20
M2 × 4.5 mm, flat-head, nylon-coated (3)
21
M2 × 3 mm, flat-head, nylon-coated (9)
22
M2.5 × 4 mm, flat-head, nylon-coated (1)
Color Torque
0.181 Nm
Silver
(1.85 kgf-cm)
Black 0.181 Nm
(1.85 kgf-cm)
0.294 Nm
Silver
(3.0 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
85