2500PCS Black Hex Socket Head Screws Set M2-M6 DIN912 Allen Bolts Nuts
Model: DIN912. Size: M2 M2.5 M3 M4 M5 M6. Item: hex socket head cap screw. And the compact thread is not easy to be out of shape and slid in the process of screwing. The deep and clear hex sockets and heads can make your working more easily.