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Granite Leveling Ruler

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    Material: granite

    Standard: JB/T 7878-1999

    Specification: The maximum workability is 3000mm in length or customize

    Hardness of the working surface: HS70

    Surface treatment: ground finish

    Precision grade: 00-0

    Packaging: plywood box


Specification:

Technical specification of granite straight edge:

Specification(mm)Flatness of working surfaceparallelism between working surfacesVerticality between side and working surface
Precision grade (um)
000000000
500×100×401.62.62.43.98.013.0
750×100×402.13.53.25.311.016.0
1000×120×403.05.04.57.515.025.0
1000×120×603.25.34.97.915.625.8
1200×120×603.696.25.48.516.426.5
1500×150×604.27.26.511.021.536.2
1600×150×804.47.46.611.122.037.0
2000×200×805.410.08.113.527.045.0
2500×200×806.014.310.213.835.069.6
3000×200×1008.016.012.014.042.081.2
  • Tel: +86 317 8177 617
  • Fax: +86 317 8175 009
  • E-mail: sales@chinasurfaceplate.com
  • Add: 168#, Xinhua Street, Jiaohe Town, Botou City, Cangzhou City, Hebei, China.

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