Compaq V6500 - Manual (Page 111)

Phillips PM2.5×7.0 screw
Color Quantity Length Thread Head width
Black 27 7.0 mm 2.5 mm 5.0 mm
Where used:
(1) One screw that secures the optical drive to the computer
(2) Three screws that secure the keyboard to the computer
Phillips PM2.5×7.0 screw 103