IBM manual For X22, ThinkPad X20, X21, X22, X23, X24

For X22, X23

Step	Screw (quantity)		Torque
	M2	⋅ 3.5mm (4) Silver	19.6 Ncm (2 kgfcm)
	M2	⋅ 6mm, Nylock-coated	19.6 Ncm (2 kgfcm)
	(1) BK

For X24

Step	Screw (quantity)	Torque
	M2 ⋅ 6mm, Nylock-coated	19.6 Ncm (2 kgfcm)
	(1) BK

Chapter 3. ThinkPad X20, X21, X22, X23, X24 73