SSD screwbase screw type?

size of screw to get for ssd : rbuildapc m2 slot screw Buy 10 PCS Laptops Motherboard Screws M2 Plate SSD Hard Disk Mounting Standoffs Kit at m2_1 slot Compatible Asus13020 SSD Mounting Kit Standoff + Screws for Motherboard Screw + Screw Hex Nut Stand Off for motherboard NGFF

m2 sata slot Its not just a screw, there is also a stand-off so the M2 SSD will sit level once in the slot This stuff comes with Motherboard, always Drives dont come