5mm x 0.8mm

Metric Fasteners, 5mm x 0.8mm
Hex bolts Bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.	Flange bolts Flange bolts have a flange on the bottom of the head that distributes the load like a washer.
Machine screws Screws with machine threads for use with a nut or in a tapped hole.	Socket screws Screws with an Allen wrench drive.
Set screws Screws with no head and machine threads for use in a tapped hole.	Nuts Nuts have internal machine threads, for use with machine thread bolts and screws.
Studs, Rod & Stock A fully threaded rod with no head or drive. Commonly used in manufacturing, automotive, electrical, plumbing, and general construction applications.	Threaded inserts & Rivet nuts For adding a machine thread to material that otherwise cannot be tapped.