美制止付螺丝

英制止付螺丝

德制HASCO规格止付螺丝

d

t

s

d

t

s

 牙数

d

t

s

 牙数

1/8PT

8

5

1/4PT

10

7

1/8NPT

0.25

 0.187

 27

1/8PT

7

5

28

3/8PT

10

8

1/4NPT

 0.406

 0.25

 18

1/4PT

8.9

6

19

1/2PT

10

10

3/8NPT

 0.406

 0.312

 18

3/8PT

10

8

19

M8*0.75

8

4

1/2NPT

0.531

0.375

14

1/2PT

12

10

14

M10*1

8

5

3/4NPT

0.531

0.562

14

3/4PT

14

14

14

M12*1.5

8

6

1"NPT

0.656

 0.625

 11.5

1"PT

17

17

11

M14*1.5

10

7