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TYPE(mm)

Squareness beteween neasuring surface datum surfac

Flatness& straightness of measuring surface

flatness& straightness of datum surface

Precision grade

00

0

00

0

00

0

100x63

1.5

3

1

1

1

1

160x100

2

4

1

2

1

1

250x160

2

4

1

2

1

2

400x250

3

6

1.5

3

1

2

630x400

4

8

2

4

1.5

3

1000x630

6

12

2.5

5

2

4