100/50/20/10pcs M2 M2.5 M3 M4 M5 M6 M8 Allen Hexagon Hex Socket Cap Head Screw Bolt DIN912 Black Grade 12.9 Alloy Steel

100/50/20/10pcs M2 M2.5 M3 M4 M5 M6 M8 Allen Hexagon Hex Socket Cap Head Screw Bolt DIN912 Black Grade 12.9 Alloy Steel

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