IBM ThinkPad A20m Hardware Maintenance Manual page 101

Step Screw (quantity)
2
M2.6 × 2.8 mm, nylon-coated (2)
4
M2.5 × 4.8 mm, nylon-coated (2)
ThinkPad A20m/p, A21m/p and A22m/p
Removing and replacing a FRU
Torque
0.392 Nm
(4 kgfcm)
0.392 Nm
(4 kgfcm)
95