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螺套底孔规格标准

螺套底孔规格标准

博克螺套-公制螺纹护套参数表



公称直径  D

螺距     P

公称长度L

螺套圈数W

螺套实际长度mm

自由状态外径DZ

建议选用钻     头直径Φ



X D

mm

min

max



2

0.4

1D

2.00

3.20

0.95

2.62

2.76

2.10



1.5D

3.00

5.30

1.52



2D

4.00

7.40

2.49



2.5D

5.00

9.50

3.10



3D

6.00

11.60




2.5

0.45

1D

2.50

3.60

1.50

3.30

3.50

2.60



1.5D

3.75

5.90

2.05



2D

5.00

8.20

2.76



2.5D

6.25

10.50

3.88



3D

7.50

12.80




3

0.5

1D

3.00

4.20

1.49

3.80

4.00

3.10



1.5D

4.50

6.80

2.68



2D

6.00

9.40

3.88



2.5D

7.50

12.00

4.70



3D

9.00

14.60




4

0.7

1D

4.00

4.00

2.18

5.05

5.25

4.20



1.5D

6.00

6.60

3.93



2D

8.00

9.10

5.03



2.5D

10.00

11.70

6.61



3D

12.00

14.30




5

0.8

1D

5.00

4.40

3.14

6.35

6.60

5.20



1.5D

7.50

7.10

4.38



2D

10.00

9.90

6.32



2.5D

12.50

12.60

8.22



3D

15.00

15.30

9.48



6

1

1D

6.00

4.30

4.07

7.60

7.85

6.20



1.5D

9.00

6.90

5.64



2D

12.00

9.60

8.07



2.5D

15.00

12.20

9.65



3D

18.00

14.90

12.07



8

1.25

1D

8.00

4.80

5.08

9.85

10.10

8.30



1.5D

12.00

7.70

8.08



2D

16.00

10.60

10.85



2.5D

20.00

13.50

14.09



3D

24.00

16.40




10

1.5

1D

10.00

5.00

6.18

12.10

12.50

10.40



1.5D

15.00

8.10

9.90



2D

20.00

11.20

14.83



2.5D

25.00

14.20

17.20



3D

30.00

17.30

20.82



12

1.75

1D

12.00

5.30

7.04

14.40

14.80

12.40



1.5D

18.00

8.40

12.68



2D

24.00

11.60

17.04



2.5D

30.00

14.80

21.51



3D

36.00

18.00

25.70



14

2

1D

14.00

5.40

9.20

16.80

17.20

14.50



1.5D

21.00

8.70

14.04



2D

28.00

11.90

19.40



2.5D

35.00

15.20

23.00



3D

42.00

18.50




16

2

1D

16.00

6.30

11.40

19.00

19.40

16.50



1.5D

24.00

10.00

16.57



2D

32.00

13.07

21.36



2.5D

40.00

17.80

29.69



3D

48.00

21.00

34.50



18

2.5

1D

18.00

5.60

12.37

21.50

22.00

18.60



1.5D

27.00

9.00

18.30



2D

36.00

12.30

24.59



2.5D

45.00

15.70

32.78



3D

54.00

19.00




20

2.5

1D

20.00

8.40

18.30

23.70

24.20

20.60



1.5D

30.00

10.00

20.46



2D

40.00

13.80

28.77



2.5D

50.00

17.50

37.50



3D

60.00

21.20




22

2.5

1D

22.00

6.90

14.00

26.30

26.80

22.60



1.5D

33.00

11.00

22.00



2D

44.00

15.00

31.00



2.5D

55.00

19.00




3D

66.00

22.90




24

3

1D

24.00

6.30

17.60

28.60

29.10

24.80



1.5D

36.00

10.00

24.81



2D

48.00

13.70

32.05



2.5D

60.00

17.40




3D

72.00

21.10




27

3

1D

27.00

7.20

20.79

32.20

32.70

27.80



1.5D

40.50

11.30

28.80



2D

54.00

15.40

36.81



2.5D

67.50

19.50




3D

81.00

23.60




30

3.5

1D

30.00

7.80

25.00

35.20

35.70

30.90



1.5D

45.00

11.40

34.15



2D

60.00

15.00

42.00



2.5D

75.00

18.60




3D

90.00

22.20




33

3.5

1D

33.00

7.80


38.30

38.80

33.90



1.5D

49.50

12.20




2D

66.00

15.60




2.5D

82.50

19.00




3D

99.00

22.40




博克螺套-螺纹护套UN系列螺纹螺距参数表



直径号-牙数

直径(d)

螺距(P)

公称长度

圈数W

自由状态外径

深孔L3

钻头直径φ

普通型(RMB)


XD

L1

min

max


2-56UNC

2.185

0.453

1d

2.2

3.5

2.7

2.85

2.2

2.1



1.5d

3.2

5.2

3.2



2d

4.5

7.3

4.3



4-40UNC

2.845

0.635

1d

2.85

3.0

3.66

4.04

5.4

3.0



1.5d

4.27

4.9

6.8



2d

5.69

6.8

8.2



5-40UNC

3.175

0.635

1d

3.18

3.4

4.01

4.39

5.7

3.3



1.5d

4.76

5.6

7.3



2d

6.35

7.7

8.9



6-32UNC

3.505

0.794

1d

3.51

3.0

4.52

4.90

6.7

3.7



1.5d

5.26

4.9

8.4



2d

7.01

6.8

10.2



8-32UNC

4.166

0.794

1d

4.17

3.8

5.20

5.56

7.3

4.4



1.5d

6.25

6.1

9.4



2d

8.33

8.4

11.5



8-36UNF

4.166

0.706

1d

4.17

4.2

5.18

5.58

7.0

4.3



1.5d

6.25

6.8

9.1



2d

8.33

9.3

11.2



10-24UNC

4.826

1.058

1d

4.83

3.1

6.19

6.68

9.1

5.1



1.5d

7.24

5.1

11.5



2d

9.65

7.1

13.9



10-32UNF

4.826

0.794

1d

4.83

4.3

5.99

6.50

8.0

5.0



1.5d

7.24

6.9

10.4



2d

9.65

9.5

12.8



12-24UNC

5.486

1.058

1d

5.49

3.8

6.86

7.24

9.7

5.8



1.5d

8.23

6.1

12.5



2d

10.97

8.4

15.2



1/4-20UNC

6.350

1.270

1d

6.35

3.6

7.86

8.38

11.4

6.7



1.5d

9.53

5.9

14.6



2d

12.70

8.2

17.8



1/4-28UNF

6.350

0.907

1d

6.35

5.2

7.6

8.28

10.0

6.6



1.5d

9.53

8.3

13.2



2d

12.7

11.3

16.3



5/16-18UNC

7.938

1.411

1d

7.94

4.3

9.64

10.16

13.6

8.3



1.5d

11.91

6.8

17.6



2d

15.888

9.4

21.5



5/16-24UNF

7.938

1.058

1d

7.94

5.7

9.65

10.16

12.2

8.2



1.5d

11.91

9.0

16.1



2d

15.88

12.3

20.1



3/8-16UNC

9.525

1.588

1d

9.53

4.6

11.48

11.99

15.9

9.9



1.5d

14.29

7.4

20.6



2d

19.05

10.2

25.4



3/8-24UNF

9.525

1.058

1d

9.53

7.1

11.37

11.88

13.8

9.8



1.5d

14.29

11.1

18.5



2d

19.05

15.1

23.3



7/16-14UNC

11.113

1.814

1d

11.11

4.7

13.36

13.99

18.4

11.6



1.5d

16.67

7.6

23.9



2d

22.23

10.4

29.5



7/16-20UNF

11.113

1.270

1d

11.11

7.0

13.30

13.70

16.2

11.4



1.5d

16.67

10.9

21.7



2d

22.23

14.9

27.3



1/2-13UNC

12.700

1.954

1d

12.70

5.1

15.16

15.80

20.5

13.2



1.5d

19.05

8.1

26.9



2d

25.40

11.1

33.2



1/2-20UNF

12.700

1.270

1d

12.7

8.0

15.03

15.67

17.8

13.0



1.5d

19.05

12.4

24.1



2d

25.40

16.9

30.5



9/16-18UNF

14.288

1.411

1d

14.29

8.1

16.91

17.55

19.9

14.6



1.5d

21.43

12.7

27.1



2d

28.58

17.2

34.2



5/8-11UNC

15.875

2.309

1d

15.88

5.5

18.84

19.48

25.1

16.5



1.5d

23.81

8.7

33.0



2d

31.75

11.9

41.0



3/4-10UNC

19.050

2.540

1d

19.05

6.1

22.36

23.00

29.2

19.7



1.5d

28.58

9.6

38.7



2d

38.10

13.2

48.3



3/4-16UNF

19.050

1.588

1d

19.05

9.9

22.25

22.88

25.4

19.4



1.5d

28.58

15.3

34.9



2d

38.10

20.7

44.5
























 


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