M2 M2.5 M3 M3.5 M4 M5 M6 A2-70 304 Stainless Steel Hexagon Hex Socket Head Cap Allen Bolt Screw Nylon Insert Lock Nut SetHome Improvement > Hardware2,51 USD (≈ 2,25 €)2,56 USDDisponibileSold by AliExpress WWVai al negozio