5-100pcs DIN912 A2 304 Allen Stainless Steel grade 12.9 Black Carbon Steel Hex Socket Head Cap Bolt Screw M1.6M2M2.5M3M4M5M6M8

5-100pcs DIN912 A2 304 Allen Stainless Steel grade 12.9 Black Carbon Steel Hex Socket Head Cap Bolt Screw M1.6M2M2.5M3M4M5M6M8

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