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公稱直徑  
（d）

螺 距 
（P）

     圈數

（N）

 自由狀態下外徑Dz

     鉆頭直徑（do）

33

2

0.5

d

16.5

6.4

38.3

38.8

33.5

0.75

d

24.8

10.1

1

d

33

13.8

1.5

d

49.5

21.2

1.5     

0.5

d

16.5

8.7

33.4

0.75

d

24.8

13.6

1

d

33

18.5

36

4

0.75

d

27

5.2

42.1

42.6

37

1

d

36

7.3

1.5

d

54

11.6

2

d

72

15.8

3

0.5

d

18

4.4

36.8

0.75

d

27

7.1

1

d

36

9.9

1.5

d

54

15.4

2

0.5

d

18

6.9

36.5

0.75

d

27

11

1

d

36

15

1.5

d

54

23

1.5

0.5

d

18

9.5

36.4

0.75

d

27

14.8

1

d

36

20

39

2

0.5

d

19.5

7.7

45.1

45.6

39.5

0.75

d

29.5

12.1

1

d

39

16.4

48

3

0.5

d

24

6.2

55

55.5

48.8

0.75

d

36

9.9

1

d

48

13.6

56

4

0.5

d

28

5.4

64

65

57

0.75

d

42

8.6

1

d

56

11.8

60

3

0.5

d

30

7.9

69

70

60.8

0.75

d

45

12.4

1

d

60

16.9

1.5

d

90

25.9

4

0.5

d

30

5.8

61

0.75

d

45

9.2

1

d

60

12.6

1.5

d

90

19.5

d

鋼絲螺套螺紋規格 
D*p

鋼絲螺套螺紋公稱長度

鉆孔,攻絲參數

安裝后參數

自由狀態下參數

L2

鉆頭do

L1

L4

L3

Dz

N
(≈)

4-40
0.112-40

1d

2.9

3

5.7

2.5

2.2

3.66~4.04

3.2

1.5d

4.3

7.1

3.9

3.6

5.1

2d

5.8

8.6

5.4

5.1

7.2

5-40
0.125-40

1d

3.2

3.4

6

2.8

2.5

4.01~4.39

3.7

1.5d

4.8

7.6

4.3

4.1

5.9

2d

6.4

9.2

6

5.7

8.2

6-32
0.138-32

1d

3.5

3.7

7.1

3.1

2.7

4.52~4.90

2.8

1.5d

5.3

8.8

4.9

4.5

4.8

2d

7.0

10.6

6.6

6.2

6.8

8-32
0.164-32

1d

4.2

4.4

7.7

3.8

3.4

6.19~6.58

4.0

1.5d

6.25

9.8

5.9

5.5

6.0

2d

8.3

11.9

8

7.5

8.7

10-24
0.190-24

1d

4.8

5.1

9.6

4.3

3.8

6.86~7.24

3.3

1.5d

7.2

12

6.7

6.2

5.4

2d

9.6

14.4

9.1

8.6

7.5

12-24
0.216-24

1d

5.5

5.8

10.3

5

4.4

6.86~7.24

4.0

1.5d

8.2

13

7.7

7.1

6.3

2d

11.0

15.7

10.5

9.9

8.8

1/4“-20

1d

6.4

6.7

12.1

5.8

5.1

7.86~8.38

3.9

1.5d

9.5

15.2

8.9

8.2

6.2

2d

12.7

18.4

12.1

11.4

8.6

3/8“-16

1d

9.5

9.9

16.7

8.7

7.9

11.48~11.99

4.8

1.5d

14.3

21.4

13.5

12.7

7.7

2d

19.1

26.2

18.3

17.5

10.6

7/16“-14

1d

11.1

11.6

19.3

10.2

9.3

13.36~13.99

4.9

1.5d

16.7

24.8

15.8

14.9

7.9

2d

22.2

30.4

21.3

20.4

10.7

1/2“-13

1d

12.7

13.1

21.5

11.7

10.7

15.16~15.80

5.2

1.5d

19.1

27.8

18.1

17.1

8.3

2d

25.4

34.2

12.4

23.4

11.4

5/8“-11

1d

15.9

16.4

26.3

14.7

13.6

18.84~19.48

5.7

1.5d

23.8

34.2

22.6

21.5

9.0

2d

31.8

42.1

30.6

29.4

12.3

3/4“-10

1d

19.1

19.6

30.5

17.8

16.5

22.36~23.00

.3

1.5d

28.6

40

27.3

26

9.9

2d

38.1

49.5

36.8

35.5

13.5

1“-8

1d

25.4

26.1

39.7

23.8

22.2

29.62~30.38

6.8

1.5d

38.1

52.4

36.5

4.9

10.6

2d

50.8

65.1

49.2

47.6

14.5

鋼絲螺套螺紋規格 
D*p

鋼絲螺套螺紋公稱長度n*d

鉆孔,攻絲參數

安裝后參數

自由狀態下參數

L2

鉆頭do

L1

L4

L3

Dz

N
(≈)

8-36
0.164-36

1d

4.2

4.3

7.3

3.8

3.4

5.18~5.68

4.5

1.5d

6.3

9.4

5.9

5.5

7.2

2d

8.3

11.5

7.9

7.6

9.7

10-32
0.19-32

1d

4.83

5.0

8.4

4.4

4

5.99~6.50

4.1

1.5d

7.24

10.8

6.8

6.5

6.9

2d

9.6

13.2

9.2

8.9

10

1/4“-28

1d

6.35

6.6

10.4

5.9

5.5

7.77~8.28

5.0

1.5d

9.5

13.6

9

8.6

8.6

2d

12.7

16.8

12.2

11.8

11.8

5/16“-24

1d

7.9

8.2

12.7

7.4

6.9

9.65~10.16

5.9

1.5d

11.9

16.7

11.4

10.9

9.4

2d

15.9

20.6

15.4

14.9

12.8

3/8“-24

1d

9.5

9.8

14.3

9

8.4

11.37~11.88

7.3

1.5d

14.3

19.1

13.8

13.2

11.5

2d

19.1

23.8

18.6

18

15.6

7/16“-20

1d

11.1

11.4

16.8

10.5

9.8

13.3~13.7

7.0

1.5d

16.7

22.4

16.1

15.4

11.1

2d

22.2

27.9

21.6

20.9

15.0

1/2“-20

1d

12.7

13.0

18.4

12.1

11.4

15.03~15.67

7.9

1.5d

19.7

24.8

18.5

17.8

12.8

2d

25.4

31.1

24.8

24.1

17.3

9/16“-18

1d

14.3

14.6

20.6

13.6

12.9

16.91~17.55

7.9

1.5d

21.5

27.8

20.8

20.1

12.0

2d

28.6

34.9

27.9

27.2

16.0

5/8“-18

1d

15.9

16.2

22.2

15.2

14.5

18.61~19.25

9.4

1.5d

23.8

30.2

23.1

22.4

14.5

2d

31.8

38.1

31.1

30.4

19.7

3/4“-16

1d

19.1

19.4

26.2

18.3

17.5

22.25~22.88

10.1

1.5d

28.6

35.7

27.8

27

15.6

2d

38.1

45.2

37.3

36.5

21.0

7/8“-14

1d

22.2

22.6

30.4

21.3

20.4

25.93~26.69

10.3

1.5d

33.3

41.5

21.4

31.5

15.9

2d

44.5

52.6

43.6

42.7

21.6

1“-14

1d

25.4

25.9

33.6

24.5

23.6

26.69~30.45

11.8

1.5d

38.1

46.3

37.2

36.3

18.1

2d

50.8

59

49.9

49

24.5

1“-12

1d

25.4

26.0

34.9

24.3

23.3

26.69~30.45

10.0

1.5d

38.1

47.6

37

36

15.6

2d