IBM ThinkPad T20 Hardware Maintenance Manual page 124

For models excepting MT2647-5Lx, 9Lx, DLx, HLx
Step Screw (quantity)
2
M2.5 × 14 mm, nylon-coated (1)
4
M2.5 × 4.8 mm, nylon-coated (2)
120
ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Removing and replacing a FRU
4
2
3
4
Torque
39.2 Ncm
(4 kgfcm)
39.2 Ncm
(4 kgfcm)