TYPE
（mm）

 Flatness of working surface

Parallelism between V slot and bottom surface

Parallelism between V slot and bottom surface

　

Symmetry between V slot & end surface
　

 Square ness between V slot &end  surface

Square ness between V slot & bottom surface

Height difference of the V slot within a matched pair

  Precision grade (µm)

0

1

0

1

0

1

0

1

0

1

0

1

0

1

40×90°
63×90°
100×90°
160×90°

1
2
2
2.5
　

2
3
4
5

　

3
4
4
5
　

6
8
8
10
　

3
4
4
5
　

6
8
8
10
　

5
8
8
10

10
16
16
20

5
8
8
10

5
8
8
10

3
4
4
5

6
8
8
10

4
5
5
6

6
10
10
12