2-50pcs M2 M2.5 M3 M4 M5 Black Grade 12.9 Alloy Steel Half Thread Hexagon Hex Socket Head Cap Allen Bolt Screw L= 22/25/28-200mm

2-50pcs M2 M2.5 M3 M4 M5 Black Grade 12.9 Alloy Steel Half Thread Hexagon Hex Socket Head Cap Allen Bolt Screw L= 22/25/28-200mm

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