格TYPE

(mm)

工作面间垂直度 Squareness between working

surfaces

每对平行规H、W等高之差Tolerance of h.w

betweena matched

pair

精度等级Precision grade

00

0

0

00

0

160x25x16

1.5

3

40

1.5

3

250x40x25

2

4

60

2

4

400x63x40

4

8

80

4

8

630x100x63

6

12

100

6

12