M3 M4 M5 M6 M8 M10 M12‑M48 304 / 316 Stainless Steel Double-Fold Self-Locking Washer Anti-Vibration Lock WasherHome Improvement > Hardware0,96 USD (≈ 0,86 €)1,42 USDDisponibileSold by AliExpress WWVai al negozio