HP Compaq NC4010 Maintenance And Service Manual page 188

Screw Listing
mm
Where used:
6 screwlocks that secure the system board to the notebook (documented
in Section 5.19, HP Compaq nx9040 notebook models only)
Hex HM5.0×9.0 Screwlock Locations - HP Compaq nx9040
Notebook Models
C–18
Table C-9
Hex HM5.0×9.0 Screwlock
Color Qty.
Silver 8
Length Thread
9.0 mm 2.5 mm
Maintenance and Service Guide
Head
Width
5.0 mm