+"12ba" typically refers to a specific designation within the British Association (BA) thread [Standard](/wiki/Standard), defining a miniature screw type. It is characterized by precise dimensions and a fine thread pitch, making it critical for small-scale mechanical [Assembly](/wiki/Assembly).
+## See also
+- [Screw](/wiki/Screw)
+- [Thread](/wiki/Thread)
+- [Precision](/wiki/Precision)
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