3mm x 5mm

Metric Fasteners, 3mm x 5mm
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.	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.