50pcs 12.9 Grade Grub Screws Carbon Steel Machine Screws Countersunk Hex Socket Set

Label:Yes Size: M3x3mm Color: Black Widely used in electronics, communication, equipment, electric power products, cultural goods, machinery, etc. Head Style:Button Made of Carbon Steel , hex socket, cup point,male thread,grub screws.

Package Includeds: 50PCS Machine Screws