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20978

TORX BUTTON HEAD CAPSCREW 2.5MM X 4 A4

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A cap screw is a precision-threaded fastener used for assembling machinery and structural components where tight tolerances and high strength are required. It typically has a cylindrical or hexagonal head designed for tightening with a wrench or an internal hex (Allen) key. The shank is fully or partially threaded depending on the application.