Granite Square Ruler
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Granite Square Ruler: Precision Measurement for Perpendicularity and Flatness
Granite Square Ruler: High-precision 90° right-angle datum tool for industrial squareness inspection, tool calibration & precision positioning—rigid, wear-resistant, accuracy guaranteed!
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Precision Granite Square Ruler with Packaging Case
ZHHIMG® proudly presents its Precision Granite Square Ruler—an essential tool for achieving precise and reliable measurements in industrial and laboratory settings. Designed for professionals who demand accuracy and durability, this granite square ruler comes with a high-quality packaging case for secure storage and transport. Whether for use in machine tool calibration, assembly, or metrology, this tool provides the stability and precision necessary for high-level performance.
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Granite Square Ruler—Granite Measuring
The granite square ruler is a frame-type precision reference measuring tool made through aging treatment, machining, and manual fine grinding. It is integrally in a square or rectangular frame structure, with four corners all having high-precision 90° right angles, and the adjacent or opposite working surfaces must meet strict tolerance requirements for perpendicularity and parallelism.
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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.