TYPE
（mm）

 Square ness between measuring surface and datum surface

 Flatness&straightness of measuring surface

 Flatness &straightness of datum surface

 Precision grade(µm)

00

0

00

0

00

0

100×63
160×100
250×160
400×250
630×400
1000×630

2
2
2.5
3.5
4.5
6
　

4
4
5
7
9
12

1
1
1
1
1.5
2.5

1
2
2
2.5
3
5

1
1
1
1
1
1.5

1
1
2
2
2.5
3