Granite Straight Edge
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Precision Granite Straight Edge
Metrology-Grade Reference Tool for Straightness & Alignment Inspection
The ZHHIMG® Precision Granite Straight Edge is a high-accuracy metrology instrument designed for straightness inspection, precision alignment, and equipment calibration. Manufactured from proprietary ZHHIMG® high-density black granite, it provides exceptional dimensional stability, wear resistance, and long-term accuracy, making it an essential reference tool in precision engineering and metrology laboratories.
This granite straight edge is widely used wherever micron-level straightness control is required, including machine installation, guideway inspection, and high-precision assembly processes.
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Precision Granite Straight Edge
Ultra-Stable Reference Tool for High-Accuracy Alignment & Metrology
The ZHHIMG® Precision Granite Straight Edge is a high-accuracy metrology reference tool designed for precision alignment, straightness inspection, and equipment assembly. Manufactured from proprietary ZHHIMG® high-density black granite, it delivers exceptional dimensional stability, long-term accuracy, and vibration damping that cannot be achieved with metal or marble alternatives.
Engineered for professional metrology environments, this granite straight edge is widely used in machine tool calibration, linear guide installation, CMM alignment, and precision equipment assembly, where micron-level accuracy is critical.
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ZHHIMG® Ultra-Precision Granite Straight Edge
In the world of ultra-precision metrology, “close enough” is never enough. At ZHONGHUI Group (ZHHIMG), we understand that the foundation of high-end manufacturing lies in the absolute truth of a straight line. Our ZHHIMG® Granite Straight Edges are engineered to be that ultimate reference point, providing unparalleled stability and accuracy for the world’s most demanding industries.
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Granite Straight Edge-Granite Measuring
The granite straight edge is an industrial measuring tool made of natural granite as the raw material through precision processing. Its core purpose is to serve as a reference component for straightness and flatness detection, and it is widely used in fields such as mechanical processing, instrument calibration, and mold manufacturing to verify the linear accuracy of workpieces or act as a reference benchmark for installation and commissioning.
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Granite Measuring Tools
Our granite straightedge is made from high-quality black granite with excellent stability, hardness, and wear resistance. Ideal for inspecting the flatness and straightness of machine parts, surface plates, and mechanical components in precision workshops and metrology labs.
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Granite Straight Ruler H Type
Granite Straight Ruler is used for measuring flatness when assemble rails or ball screws on the precision machine.
This granite straight ruler H type is made by black Jinan Granite, with nice physical properties.
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Granite Straight Ruler with Precision of 0.001mm
Granite Straight Ruler with precision of 0.001mm
We can manufacture granite straight ruler of length of 2000mm with 0.001mm precision(flatness, perpendicular, parallelism). This granite straight ruler is made by Jinan Black Granite, also called Taishan black or “Jinan Qing” Granite. Welcome to contact us for more information.
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Granite Straight Ruler With Grade 00 (Grade AA) Of DIN, JJS, ASME Or GB Standard
Granite Straight Ruler, also call granite straight, granite straight edge, granite ruler, granite measuring tool… It is made by Jinan Black Granite (Taishan black granite) (density: 3070kg/m3) with two precision surfaces or four precision surfaces, which is suitable for measuring in CNC, LASER Machines and other metrology equipment assembly and inspection& calibration in laboratories.
We can manufacture granite straight ruler with precision of 0.001mm. welcome to contact us for more information.
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Granite Straight Ruler with 4 precision surfaces
Granite Straight Ruler also called Granite Straight Edge, is manufactured by Jinan Black Granite with excellent color and Ultra high accuracy, with the addiction of higher precision grades in order to satisfy all specific user needs, both in workshop or in metrological room.