Granite Measuring

  • Industrial Precision Granite Surface Plate Stand Set

    Industrial Precision Granite Surface Plate Stand Set

    The granite surface plate with stand is a set of precision measuring tools or tooling equipment composed of a high-precision granite surface plate and a dedicated supporting stand, and is widely used in fields such as industrial measurement, inspection and marking-out.

  • Precision Granite Square Ruler (Master Square)

    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.

  • High-Precision V-Blocks: Top Choice for Positioning and Clamping, Ideal for Precision Machining

    High-Precision V-Blocks: Top Choice for Positioning and Clamping, Ideal for Precision Machining

    The granite V-block is made of high-hardness granite material, featuring ultra-high precision and stability, excellent wear resistance and deformation resistance, and can effectively ensure the accuracy of positioning and measurement of precision workpieces.

  • Granite Square Ruler: Precision Measurement for Perpendicularity and Flatness

    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!

  • Granite Tri Square Ruler—Industrial-Grade Right-Angle Reference and Inspection Tool

    Granite Tri Square Ruler—Industrial-Grade Right-Angle Reference and Inspection Tool

    The core functions of the granite square are as follows:Made of high-stability granite, it provides a precision right-angle reference for testing the squareness, perpendicularity, parallelism and flatness of workpieces/equipment. It can also serve as a measurement reference tool for calibrating equipment and establishing testing standards, as well as assist in precision marking and fixture positioning. Featuring high precision and deformation resistance, it is suitable for precision machining and metrology scenarios.

  • Precision Granite Square Ruler with Packaging Case

    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.

  • Granite Surface Plate—Granite Measuring

    Granite Surface Plate—Granite Measuring

    The granite platform has a compact and sophisticated structure, featuring high-precision translation and fine-tuning capabilities, as well as excellent stability. It is suitable for precision scenarios such as optics and semiconductors, providing accurate and stable position control for delicate operations.

  • Granite Surface Plate—Granite Measuring

    Granite Surface Plate—Granite Measuring

    Granite surface plates are known for their high hardness, good wear resistance, small thermal expansion coefficient (ensuring dimensional stability), strong corrosion resistance, excellent precision retention, and attractive natural appearance. They’re widely used in precision measurement and machining fields.

  • Granite Dial Base—Granite Measuring

    Granite Dial Base—Granite Measuring

    The granite dial base has high hardness, is wear-resistant and damage-resistant, and is not easy to deform after long-term use. It is less affected by thermal expansion and contraction, has strong dimensional stability, and can provide precise and stable support for equipment. It is resistant to chemical corrosion such as acid and alkali, and is suitable for a wide range of environments. It has a dense structure, good precision retention, can maintain precision requirements such as flatness for a long time, and has beautiful natural textures, combining practicality and certain decorative properties.

  • Granite Square Ruler—Granite Measuring

    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.

  • Granite Parallels—Granite Measuring

    Granite Parallels—Granite Measuring

    The main characteristics of granite parallels are as follows:

    1.Precision Stability: Granite features a homogeneous texture and stable physical properties, with negligible thermal expansion and contraction. Its high hardness ensures low wear, enabling the long-term maintenance of high-precision parallelism.

    2.Application Compatibility: It is resistant to rust and magnetization, and does not adsorb impurities. The smooth working surface prevents workpiece scratching, while its adequate deadweight ensures high stability during measurement.

    3.Maintenance Convenience: It only requires wiping and cleaning with a soft cloth. With good corrosion resistance, it eliminates the need for special maintenance such as rust prevention and demagnetization.

  • Granite Tri Square Ruler-Granite Measuring

    Granite Tri Square Ruler-Granite Measuring

    The features of the Granite Tri Square Ruler are as follows.

    1.High Datum Precision: Made of natural granite with aging treatment, internal stress is eliminated. It features small right-angle datum error, up-to-standard straightness and flatness, and stable precision during long-term use.

    2.Excellent Material Performance: Mohs hardness 6-7, wear-resistant and impact-resistant, with high rigidity, not easy to deform or be damaged.

    3.Strong Environmental Adaptability: Low thermal expansion coefficient, not affected by temperature and humidity fluctuations, suitable for multi-working-condition measurement scenarios.

    4.Convenient Use & Maintenance: Acid and alkali corrosion resistant, no magnetic interference, surface not easy to be contaminated, and no special maintenance required.