Granite Straight Edge
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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.