This is the little screw mainly used on Laptop, WiFi cards, M.2 SSD NVMe Heatsink, Screen Brackets, Multi I/O Boards, Cooling Fan, Webcams, Keyboards, and even some Palmrests and Base plastics.
Specification:
Material: Steel
Finish: Nickel Plated
Groove Type: Phillips Thread
Shoulder Diameter: 1.85~1.98 mm
Shoulder Length(Not included head): 3.0 mm
Head Diameter: 4.0~4.5 mm
Thread Pitch: 0.40 mm
Head Thickness (Head Height): 0.7~0.8 mm
Color: Black