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Home > Products > Granite Measuring Meter > Granite Square Ruler
Granite Square Ruler
Product Name:Granite Square Ruler
Views:1414
Product Description
Granite Square Ruler
1. Material: Jinan Black
2. Features: High-Precision, no rust, acid and alkali-resistant, no magnetized, no deform, good abrasion resistance etc.
3. Applicable area: The granite square ruler is mainly used to test the verticality and parallelism of the parts in industrial production and laboratory etc. The implementation standard of surface precision and verticality is GB6092-85.
4. Main parameter:

Specification(mm)
Verticality between two measuring surface Straightness of measuring surface Parallelism between relative measuring surface
Precision Grade(µm)
00 0 00 0 00 0
160×160 2 4 0.8 1.7 2 4
200×200 2 4 0.9 1.8 2 4
250×250 2.2 4.5 1 2 2.2 4.5
315×315 2.6 5.2 1.1 2.3 2.6 5.5
400×400 3 6 1.3 2.6 3 6
500×500 3.5 7 1.5 3 3.5 7
  We can produce with your special request.