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product name

Granite Parallel Rulers

The moorstone parallel rule is mainly used for parallelism detection of mechanical equipment and can also be used as a same-height block. The moorstone parallel rule is supplied in pairs and can be
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product description

Granite Parallel Rulers

 

  The moorstone parallel rule is mainly used for parallelism detection of mechanical equipment and can also be used as a same-height block. The moorstone parallel rule is supplied in pairs and can be customized according to customers’ requirements. The product is manufactured by manual precision grinding.
  The moorstone parallel rule is made of natural moorstones, which contain essential mineral ingredients such as Taoshi stone, plagioclase, olivine in small quantity, biotite and magnetite in trace quantity. It has black color and compact structure. After hundreds of millions of years of aging, the moorstone has uniform texture, high stability, high strength and high hardness and can keep high precision under heavy load. The moorstone parallel rule is applied to the measurement of industrial production and labs.
 
Specification(mm)
 
Relative parallel to the surface of the face flatness
Between the vertical face
Each pair of parallel equal-length difference between the rules H.W
Precision Levelμm
00
0
00
0
0
0
160×25×16
1.5
3
20
40
1.5
3
250×40×25
2
4
30
60
2
4
400×63×40
4
8
40
580
4
8
630×100×63
6
12
50
100
6
12
 
Granite Parallel Rulers
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