500pcs DIN913 Hex Hexagon Socket Allen Flat Point Set Screw Grub Bolt M2.5 M3 M4 304 A2 Stainless Steel Grade 12.9 Steel Kit Box

500pcs DIN913 Hex Hexagon Socket Allen Flat Point Set Screw Grub Bolt M2.5 M3 M4 304 A2 Stainless Steel Grade 12.9 Steel Kit Box

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