螺纹规格 Thread Spec

d_k

k

槽号 Slot

m

L

max

min

max

min

H-Type

Z-Type

ST 2.2

4

3.7

1.6

1.4

0

1.9

2

4.5/6.5/9.5/13/16

ST 2.9

5.6

5.3

2.4

2.15

1

3

3

6.5/9.5/13/16/19

ST 3.5

7

6.64

2.6

2.35

2

3.9

4

9.5/13/16/19/22/25

ST 4.2

8

7.64

3.1

2.8

2

4.4

4.4

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

ST 4.8

9.5

9.14

3.7

3.4

2

4.9

4.8

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

ST 5.5

11

10.57

4

3.7

3

6.4

6.2

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

ST 6.3

12

11.57

4.6

4.3

3

6.9

6.8

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