公称直径(螺纹直径)Nominal diameter(Thread diameter)

2

2.5

3

4

5

6

8

10

12

d 公称尺寸 d Nominal Size

2.2

2.7

3.2

4.2

5.3

6.4

8.4

10.5

13

d允差 d Tolerance

+0.12

+0.12

+0.16

+0.16

+0.16

+0.2

+0.2

+0.24

+0.24

D公称尺寸 D Nominal Size

5

6.5

7

9

10

12.5

17

21

24

D允差 D Tolerance

/

-0.36

-0.36

-0.36

-0.36

-0.43

-0.43

-0.52

-0.52

S

0.3

0.5

0.5

0.8

0.8

1.5

1.5

2

2

公称直径(螺纹直径)Nominal diameter(Thread diameter)

14

16

18

20

22

24

27

30

36

d 公称尺寸 d Nominal Size

15

17

19

21

23

25

28

31

37

d允差 d Tolerance

+0.24

+0.24

+0.28

+0.28

+0.28

+0.28

+0.28

+0.34

+0.34

D公称尺寸 D Nominal Size

28

30

34

37

39

44

50

56

66

D允差 D Tolerance

-0.52

-0.52

-0.62

-0.62

-0.62

-0.62

-0.62

-0.74

-0.74

S

2

3

3

3

3

4

4

4

5