HP Compaq 6530b Maintenance And Service Manual page 133

Color Quantity
Silver 19
Where used: 2 screws that secure the optical drive bracket to the optical drive
Where used: 8 screws that secure the display hinges to the display panel
Length Thread
3.0 mm 2.0 mm
Head diameter
4.5 mm
Phillips PM2.0×3.0 screw 125