2/ 4/ 8pcs M6 M8 M10 M12 M14 M16 M18 M20 M22 Black Oxide Finished Grade 8.8 Carbon Steel Nut Tapped

2/ 4/ 8pcs M6 M8 M10 M12 M14 M16 M18 M20 M22 Black Oxide Finished Grade 8.8 Carbon Steel Nut Tapped

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