HP nx6310 - Notebook PC Maintenance And Service Manual page 206

Screw Listing
mm
Where used:
One screw that secures the speaker to the computer (documented in
Section 5.20)
Torx8 T8M2.5×4.0 Screw Location
A–18
Table A-9
Torx8 T8M2.5×4.0 Screw
Color Qty.
Black 2
Length Thread
4.0 mm 2.5 mm
Maintenance and Service Guide
Head
Width
4.0 mm