规格

dc

d

h

N min

max

min

1/4

5/8

9/32

0.080

0.051

7/32

5/16

11/16

11/32

0.080

0.051

9/32

3/8

13/16

13/32

0.080

0.051

11/32

7/16

59/64

15/32

0.080

0.051

13/32

1/2

1-1/16

17/32

0.177

0.097

7/16

5/8

1-5/16

1/16

0.177

0.122

9/16

3/4

1-15/32

13/16

0.177

0.122

21/32

7/8

1-3/4

15/16

0.177

0.136

25/32

1

2

1-1/8

0.177

0.136

7/8

1-1/8

2-1/4

1-1/4

0.177

0.136

1

1-1/4

2-1/2

1-3/8

0.177

0.136

1-3/32

1-3/8

2-3/4

1-1/2

0.177

0.136

1-7/32

1-1/2

3

1-5/8

0.177

0.136

1-5/16

1-3/4

3-3/8

1-7/8

0.28

0.178

1-17/32

2

3-3/4

2-1/8

0.28

0.178

1-3/4

2-1/4

4

2-3/8

0.34

0.024

2

2-1/2

4-1/2

2-5/8

0.34

0.024

2-3/16

2-3/4

5

2-7/8

0.34

0.024

2-13/32

3

5-1/2

3-1/8

0.34

0.024

2-5/8

3-1/4

6

3-3/8

0.34

0.024

2-7/8

3-1/2

6-1/2

3-5/8

0.34

0.024

3-1/16

3-3/4

7

3-7/8

0.34

0.024

3-5/16

4

7-1/2

4-1/8

0.34

0.024

3-1/2