10pcs M2.5 M3 M4 M5 M6 M8 Grade 12.9 Black Hexagon Hex Socket Allen Head Cap Screw Din912 Allen Bolt Screw L=5-50mm

10pcs M2.5 M3 M4 M5 M6 M8 Grade 12.9 Black Hexagon Hex Socket Allen Head Cap Screw Din912 Allen Bolt Screw L=5-50mm

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