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China Wholesale 304 A2 Grade 10.9 12.9 Black Oxide Nylon Insert Ball Point Flat End Hex Socket Set Screw

China Wholesale 304 A2 Grade 10.9 12.9 Black Oxide Nylon Insert Ball Point Flat End Hex Socket Set Screw
Product pictureDescription   Standard:DIN GB ISO ASTMDiameter:1/4"-2 1/2",M4-M64Length:≤800mm or 30"Material:Carbon...

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