螺纹规格 Thread Spec

s

k

槽号 Slot

m

L

max

min

max

min

ST 2.9

5

4.82

2.3

2

1

2.5

6.5/9.5/13/16/19

ST 3.5

5.5

5.32

2.6

2.3

2

3.5

6.5/9.5/13/16/19/22

ST 4.2

7

6.78

3

2.6

2

4

9.5/13/16/19/22/25

ST 4.8

8

7.78

3.8

3.3

2

4.4

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

ST 6.3

10

9.78

4.7

4.1

3

6.2

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

ST 8

13

12.73

6

5.2

3

7.2

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