5-50pcs DIN912 A2-70 304 Stainless Steel grade 12.9 Black Hexagon Hex Socket Cap Head Screw Bolt M1.6 M2 M2.5 M3 M4 M5 M6 M8

5-50pcs DIN912 A2-70 304 Stainless Steel grade 12.9 Black Hexagon Hex Socket Cap Head Screw Bolt M1.6 M2 M2.5 M3 M4 M5 M6 M8

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