M3 M4 M5 M6 M8 M10 M12 A2-70 304 Stainless Steel Metric Thread Hexagon Hex Head Serrated Spinlock Flange Nut Locknut DIN6923Home Improvement > Hardware1,88 USD (≈ 1,68 €)2,13 USDDisponibileSold by AliExpress WWVai al negozio