IBM ThinkPad T20 Hardware Maintenance Manual page 94

Step Screw (quantity)
5
M2.5 × 14 mm, nylon-coated (1)
6
M2.5 × 4.8 mm, nylon-coated (1)
90
ThinkPad T20, T21, T22, T23 (MT 2647/2648)
5
7
Removing and replacing a FRU
6
Torque
39.2 Ncm
(4 kgfcm)
39.2 Ncm
(4 kgfcm)