螺纹规格 Thread Spec

d_k

k max

n

t min

L

max

min

min

max

ST 2.2

3.8

3.5

1.1

0.56

0.7

0.4

4.5/6.5/9.5/13/16

ST 2.9

5.5

5.2

1.7

0.86

1

0.6

6.5/9.5/13/16/19

ST 3.5

7.3

6.9

2.35

1.06

1.2

0.9

9.5/13/16/19/22/25

ST 4.2

8.4

8

2.6

1.26

1.51

1

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

ST 4.8

9.3

8.9

2.8

1.26

1.51

1.1

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

ST 5.5

10.3

9.9

3

1.66

1.91

1.1

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

ST 6.3

11.3

10.9

3.15

1.66

1.91

1.2

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