HP Compaq nx5000 series - Manual (Page 194)

Screw Listing
Maintenance and Service Guide C–5
Phillips PM2.5×3.0 Screw Location
Table C-4
Phillips PM2.5×3.0 Screw
Color Qty. Length Thread
Head
Width
Black 1 3.0 mm 2.5 mm 4.0 mm
Where used:
One screw that secures the hard drive to the notebook
(documented in Section 5.3 )
mm