jeweler/joyero

Medidas: 50mm alto, 55mm ancho.
La rosca esta diseñada quitando 0,2 que son las tolerancias de mi máquina, si tus tolerancias son diferentes modifica la expansión horizontal en tu laminador.

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Measurements: 50mm high, 55mm wide.
The thread is designed by removing 0.2, which are the tolerances of my machine. If your tolerances are different, modify the horizontal expansion on your rolling mill.