Lenovo MT 1842 Manual page 121

Step Screw (quantity)
9
M2 × 12 mm, bind-head,
nylon-coated (1)
(continued)
ThinkPad R50e and R52 Series
Removing and replacing a FRU
9
Color
Black
10
Torque
0.245 Nm
(2.5 kgfcm)
115