IBM THINKPAD S05L-1270-01 - Manual (Page 600)

Step Size (Quantity) Color Torque
4 M2.5 x 4 mm, Nylon
(5) Yellow 4 kgcm
6 M2.5 x 6 mm, Nylon
(1) Black 4 kgcm
Note: Make sure you use the correct screw and tighten the
screw to the torque specified. Do not use the screw that you
removed, use a new screw.
588 IBM Mobile Systems HMM