Granite Square Ruler
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Granite Square Ruler
The granite square—also referred to as a granite reference square or rock square—is a high-precision geometric metrology instrument fabricated from naturally occurring, dimensionally stable granite. It serves as a primary reference standard for verifying perpendicularity, parallelism, and flatness of mechanical components and assemblies, and is widely employed in precision manufacturing, metrology laboratories, and quality assurance processes within industries such as aerospace, optics, and semiconductor equipment fabrication.
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Granite Square Ruler: Uncompromising Quality.
Tired of the “fragility” of metal measuring tools while striving for precise measurements? The granite square ruler is the ultimate warrior in the field of metrology.
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Granite Rectangular Square: Precision Industrial Measuring Tool
Crafted from premium Jinan Green granite, the granite rectangular square boasts inherent high hardness and outstanding stability. As a precision industrial measuring tool, it accurately inspects the straightness and flatness of machine tool guideways and workpieces, and also serves as a reliable benchmark for equipment installation. Wear-resistant, durable and non-deformable, it is the trustworthy and hassle-free choice for industrial.
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Granite Square Ruler: Stable, Durable, Ideal for Industrial Calibration
The granite square ruler boasts outstanding material properties. With high hardness and excellent wear resistance, granite can maintain high precision for a long time and is not prone to wear or deformation during use. Meanwhile, granite features stable physical and chemical properties, with minimal susceptibility to environmental factors such as temperature and humidity, ensuring accurate measurements under various working conditions.
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Precision Granite Square Ruler (Master Square)
In the world of ultra-precision manufacturing, the accuracy of your work is only as good as the master reference you use to verify it. Whether you are calibrating a multi-axis CNC machine, inspecting aerospace components, or setting up a high-precision optical laboratory, the Granite Square Ruler (also known as a Master Square) is the essential “source of truth” for 90-degree squareness, parallelism, and straightness.
At ZHHIMG (ZhongHui Intelligent Manufacturing), we transform geologically stable black granite into world-class metrology tools. Our granite square rulers are designed for professionals who refuse to compromise on stability, durability, and sub-micron accuracy.
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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.