Lenovo ThinkPad P70 Hardware Maintenance Manual page 55

Removal steps of the M.2 SSD
Step Screw (quantity)
1
M2 × L3 mm, flat-head, nylon-coated (1)
1
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
73