Precision Granite Solutions

  • Precision Granite V Blocks

    Precision Granite V Blocks

    Granite V-Block is widely used in workshops, tool rooms & standard rooms for a variety of applications in tooling and inspection purposes such as marking accurate centres, checking concentricity, parallelism, etc. Granite V Blocks, sold as matched pairs, hold and support cylindrical pieces during inspection or manufacturing. They have a nominal 90-degree “V”, centered with and parallel to the bottom and two sides and square to the ends. They are available in many sizes and are made from our Jinan black granite.

  • Granite Straight Ruler with 4 precision surfaces

    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.

  • Precision Granite Parallels

    Precision Granite Parallels

    We can manufacture precision granite parallels with a variety of size. 2 Face (finished on the narrow edges) and 4 Face (finished on all sides) versions are available as Grade 0 or Grade 00 /Grade B, A or AA.  Granite parallels are very useful for doing machining setups or similar where a test piece must be supported on two flat and parallel surfaces, essentially creating a flat plane. 

  • Precision Granite Surface Plate

    Precision Granite Surface Plate

    Black granite surface plates 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.

  • Precision Granite Mechanical Components

    Precision Granite Mechanical Components

    More and more precision machines are made by natural granite because of it’s better physical properties. Granite can keep high precision even at room temperature. But the preicsion Metal machine bed will be affected by temperature very obviously.

  • Granite Air Bearing Full encirclement

    Granite Air Bearing Full encirclement

    Full encirclement Granite Air Bearing

    Granite Air Bearing is made by black granite. The granite air bearing has advantages of high precision, stability, abrasion-proof and corrosion-proof of the granite surface plate, which can move very smooth in precision granite surface. 

  • CNC Granite Assembly

    CNC Granite Assembly

    ZHHIMG®  provides special granite bases according to the specific needs and drawings of the Customer:  granite bases for machine tools, measuring machines, microelectronics, EDM, drilling of printed circuit boards, bases for test benches, mechanical structures for research centers, etc…

  • Precision Granite Cube

    Precision Granite Cube

    Granite Cubes are made by black granite. Generally granite cube will have six precision surfaces. We offer the high precision granite cubes with best protection package, sizes and precision grade are available according to your request.

  • Precision Granite Dial Base

    Precision Granite Dial Base

    The Dial Comparator with Granite Base is a bench-type comparator gage that is ruggedly built for in-process and final inspection work. The dial indicator can be adjusted vertically and locked in any position. 

  • Granite Square Ruler with 4 precision surfaces

    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.

  • Granite Vibration Insulated Platform

    Granite Vibration Insulated Platform

    ZHHIMG tables are vibration-insulated work places, available with a hard stone table top or an optical table top . Disturbing vibrations from the environment are insulated from the table with highly-effective membrane air spring insulators while mechanical pneumatic leveling elements maintain an absolutely level tabletop. (± 1/100 mm or ± 1/10 mm). Moreover, a maintenance unit for compressed-air conditioning is included.