HP Compaq Presario,Presario C300 Maintenance And Service Manual page 180

Screw Listing
mm
Where used:
One screw that secures the optical drive to the computer (documented in
Section 5.9)
Phillips PM2.5×5.0 Screw Location
A–4
Table A-3
Phillips PM2.5×5.0 Screw
Color Qty.
Black 28
Length Thread
5.0 mm 2.5 mm
Maintenance and Service Guide
Head
Width
5.0 mm