HP Compaq nc4010 - Notebook PC Maintenance And Service Manual page 164

Screw Listing
mm
Where used:
2 screws that secure the hard drive to the hard drive frame
(documented in
Torx T5 M2.5×4.5 and Phillips M2.5×3.5 Screw Locations
C–4
Phillips PM2.5×3.5 Screw
Color
Silver
Section 5.3)
Table C-3
Qty. Length
2 3.5 mm
Maintenance and Service Guide
Head
Thread Width
2.5 mm 4.5 mm