50pcs DIN913 Hex Hexagon Socket Allen Flat Point End Set Screw Grub Bolt M2 M2.5 M3 M4 M5 M6 M8 Black Grade 12.9 Alloy Steel

50pcs DIN913 Hex Hexagon Socket Allen Flat Point End Set Screw Grub Bolt M2 M2.5 M3 M4 M5 M6 M8 Black Grade 12.9 Alloy Steel

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