螺纹规格        d

ST2.9

ST3.5

ST3.9

ST4.2

ST4.8

ST5.5

ST6.3

ST8

螺距            p

1.1

1.3

1.3

1.4

1.6

1.8

1.8

2.1

h           min

0.4

0.6

0.6

0.8

0.9

1

1

1.2

dc

max

6.3

8.3

8.3

8.8

10.5

11

13.5

18

min

5.8

7.6

7.6

8.1

9.8

10

12.2

16.7

k

max

2.8

3.4

3.4

4.1

4.3

5.4

5.9

7

min

2.5

3

3

3.6

3.8

4.8

5.3

6.4

s

max

4

5.5

5.5

7

8

8

10

13

min

3.82

5.32

5.32

6.78

7.78

7.78

9.78

12.73