规格(螺纹大径)Specifications(thread Major Diameter)

3

4

5

6

8

10

12

14

16

18

20

22

24

27

30

d min

3.1

4.1

5.1

6.1

8.1

10.2

12.2

14.2

16.2

18.2

20.2

22.5

24.5

27.5

30.5

d max

3.4

4.4

5.4

6.68

8.68

10.9

12.9

14.9

16.9

19.04

21.04

23.34

25.5

28.5

31.5

S(b)公称

0.8

1.1

1.3

1.6

2.1

2.6

3.1

3.6

4.1

4.5

5

5.5

6

6.8

7.5

S(b) min

0.7

1

1.2

1.5

2

2.45

2.95

3.4

3.9

4.3

4.8

5.3

5.8

6.5

7.2

S(b) max

0.9

1.2

1.4

1.7

2.2

2.75

3.25

3.8

4.3

4.7

5.2

5.7

6.2

7.1

7.8

H min

1.6

2.2

2.6

3.2

4.2

5.2

6.2

7.2

8.2

9

10

11

12

13.6

15

H max

2

2.75

3.25

4

5.25

6.5

7.75

9

10.25

11.25

12.5

13.75

15

17

18.75