螺纹规格 Thread Spec

d_c

S

K max

L

max

min

公称=max

min

ST 2.2

4.5

4.1

3

2.86

2.2

4.5/6.5/9.5/13/16/19

ST 2.9

6.4

5.9

4

3.82

3.2

6.5/9.5/13/16/19

ST 3.5

7.5

6.9

5

4.82

3.8

6.5/9.5/13/16/19/22/25

ST 4.2

8.5

7.8

5.5

5.32

4.3

9.5/13/16/19/22/25/32

ST 4.8

10

9.3

7

6.78

5.2

9.5/13/16/19/22/25/32/38/45/50

ST 5.5

11.2

10.3

7

6.78

6

13/16/19/22/25/32/38/45/50

ST 6.3

12.8

11.8

8

7.78

6.7

13/16/19/22/25/32/38/45/50

ST 8

16.8

15.5

10

9.78

8.6

16/19/22/25/32/38/45/50

ST 9.5

21

19.3

13

12.73

10.7

16/19/22/25/32/38/45/50