Nyloc Self Locking Hex Flange Lock Nuts. M3, M4, M5, M6, M8, M10, M12. ● Thread Size: M3, M4, M5, M6, M8, M10, M12. A2 Stainless Steel, A4 Stainless Steel, Zinc Plated, Nickel Plated. - A2 Stainless Steel (304 Stainless Steel ) (SUS304).
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