HP Compaq NC4010 Maintenance And Service Manual page 179

Screw Listing
mm
Where used:
4 screws that secure the heat sink to the notebook
(documented in
Torx T8 M2.0×4.0 Screw Locations
C–18
Torx T8 M2.0×4.0 Screw
Color
Black
Section 5.12)
Table C-10
Qty. Length
12 4.0 mm
Thread
2.0 mm
Maintenance and Service Guide
Head
Width
4.5 mm