What type of screws does the NK65 use?

Screw Type/Size :
PCB to Plate: These screws are called PWM 2.0x4mm with a 5mm cap. So you need an M2 screw that is 4mm long, and has a pan head that is 5 mm, or with a built in washer. If you cannot find them with a built in washer, you can use an M2 x 5mm screw with a separate washer as well.
Plate to Standoffs: M2 x 6mm 
Plate to Case: M2 x 6mm 
Screwdriver:
For NK65 EE: T6 for standoffs/case screw. PH1 for PCB screws

For NK65 Aluminum: T6 for standoffs/case. PH1 for PCB screws