M2 M2.5 M3 M4 M5 M6 M8 M10~M30 316/304 Stainless Steel Flat Hex Hexagon Thin Nut Metric Thread Wafer Low Jam NutsHome Improvement > Hardware1,30 USD (≈ 1,16 €)1,33 USDDisponibileSold by AliExpress WWVai al negozio