Granite Square Ruler
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Granite Rectangle Square Ruler with 0.001mm precision
Granite square ruler is made by black granite, mainly used to check the flatness of parts. Granite gages are the basic equipment used in industrial inspection and are suitable for inspection of instrumentation, precision tools, mechanical parts and high-precision measurement.
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Granite Square Ruler according to DIN, JJS, GB, ASME Standard
Granite Square Ruler according to DIN, JJS, GB, ASME Standard
Granite Square Ruler is made made by Black Granite. We can manufacture granite square ruler according to DIN standard, JJS Standard, GB standard, ASME Standard… Generally customers will need granite square ruler with Grade 00(AA) precision. Of course we can manufacture granite square ruler with higher precision according to your requirements.
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Granite Square Ruler with 4 precision surfaces
Granite Square Rulers are manufactured in high accuracy according to following standards, with the addiction of higher precision grades in order to satisfy all specific user needs, both in workshop or in metrological room.