Threaded ball 40 mm M12 – printed internal thread, flat base

A 40 mm ball with a printed M12 internal thread that screws straight onto an M12 rod, bolt or lever – no insert, no glue. **Uses:** ball knob for levers and machines (lathe, mill, drill press); cap for a protruding M12 rod or bolt end. ## Dimensions (measured on the CAD solid) | | mm | |---|---| | Ball Ø / height on the base | 40 / 38.46 | | Flat base Ø | 15.4 | | Thread | M12 × 1.75, ISO 60°, printed | | Major / minor Ø in the model | 12.41 (+0.4) / 10.52 | | Full thread / usable depth / cone…

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