100/ /50 /20 /10pcs M1.6 M2 M2.5 M3 M4 M5 M6 DIN916 Grade 12.9 Black Plated Carbon SteelHex Socket Set Screws Grub ScrewHome Improvement > Hardware1,88 USD (≈ 1,68 €)DisponibileSold by AliExpress WWVai al negozio