Granite square

  • Add Date: 2020-12-24
  • TEL: +86 15076771899
  • TEL: +86 311 68070891
  • Name: Manager Zhang
  • Email:
  • Address: Development Zone, Jiao’he County, Botou, Hebei, China
  • Product Detail

    Granite square is a kind of professional measuring tool, called square ruler for short. On some occasions, it is also called a learning ruler. It is used to detect the perpendicularity of the workpiece and the perpendicularity of the relative position of the workpiece, and sometimes it is used for lineation.


    > Proportion:2970-3070kg/m3

    > Compression strength:245-254kg/mm2 

    > Flexible grinding capacity:1.27-1.47N/mm2

    > Coefficient of linear expansion:4.6×1-6℃

    > Water absorption 0.13%  

    > Shore hardness HS: more than 70。

    > Precision has 000. 00, 0, 1 grade. 

    > Material: Granite 



    Our products are widely exported to Australia, New Zealand, Vietnam, Thailand, South Korea and England, Germany, and so on.

    PS: We also can produce as customers' requests or drawings.






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