M5x6mm----------20pcs,
M5x8mm----------20pcs,
M5x10mm----------20pcs,
M5x12mm----------20pcs,
M5x16mm----------20pcs,
M5x20mm----------10pcs,
M5x25mm----------10pcs,
M5 Hex Nuts----------10pcs.

[About Countersunk Screws:]
The countersunk screws are mostly used in places where the surface of the parts cannot be raised after installation.
The parts to be fastened are thick and thin. The so-called thick, that is, the thickness of the parts to be fastened is larger than the head of the countersunk head screw.
Thickness, after the screw is tightened, a part of the screw thread does not enter the threaded hole.