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Granite plane parallel rules - RP

granite parallel rules parallel rules in black granite


    Special workings
    Test report





Manufactured with two H-shaped lapped parallel surfaces to ensure stability and lightness. The three levels of tolerances are shown in the table: the parallelism tolerance is equal to the flatness one. Side faces ground (± 20 µm/m).
If required, they can be supplied with handles on the heads and wooden case. Microplan® Test Report included. Calibration Certificate available on request*.


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