HP TC4400 - Manual (Page 163)

Screw Listing
Maintenance and Service Guide A–5
Torx8 T8M2.0×10.0 Screw Locations
Table A-4
Torx8 T8M2.0×10.0 Screw
Color Qty. Length Thread
Head
Width
Black 12 10.0 mm 2.0 mm 4.5 mm
Where used:
2 screws that secure the keyboard cover to the tablet PC (documented in
Section 5.8 )
mm