FuminStone

         富敏石通精密机械

Qingdao FuminStone Precision Machinery Co., Ltd.
To provide you with precision measurement tools, customized granite components and other related products
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Granite Square Rules

Granite Square Rules

0.00
0.00
  

 

Specification

(mm)

Squareness between

adjacent measuring

surfaces

Straightness of

measuring

surface

Parallelism

between opposite

measuring surface

Precision grade (μm)

00

0

00

0

00

0

160x160x25

2

4

0.8

1.7

2

4

200x200x30

2

4

0.9

1.8

2

4

250x250x40

2.2

4.5

1

2

2.2

4.5

315x315x45

2.6

5.2

1.1

2.3

2.6

5.5

400x400x45

3

6

1.3

2.6

3

6

500x500x60

3.5

7

1.5

3

3.5

7

  On inspection of verticality and parallelism as well as absolute 90°measuring base.