配钻攻丝标准与螺纹标准.docx

配钻攻丝标准与螺纹标准.docx

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配钻攻丝标准与螺纹标准

公制细螺纹

公制标准螺纹

规格

标准径

2级螺纹内径

规格

标准径

1级-2级螺纹内径

上限

下限

上限

下限

M1*0.25

0.75

0.785

0.729

M1*0.20

0.8

0.821

0.783

M1.1*0.25

0.85

0.885

0.829

M1.1*0.20

0.9

0.921

0.883

M1.2*.25

0.95

0.985

0.929

M1.2*0.20

1

1.021

0.983

M1.4*0.3

1.1

1.142

1.075

M1.4*0.20

1.2

1.221

1.183

M1.6*0.35

1.25

1.321

1.221

M1.6*0.20

1.4

1.421

1.383

M1.7*0.35

1.35

1.421

1.321

*M1.7*0.20

1.45

1.5

1.46

M1.8*0.35

1.45

1.521

1.421

M1.8*0.20

1.6

1.621

1.583

M2*0..4

1.6

1.679

1.576

M2*0.25

1.75

1.785

1.729

M2.2*0.45

1.75

1.838

1.713

M2.2*0.25

1.95

1.985

1.929

M2.3*0.4

1.9

1.979

1.867

*M2.3*0.25

2.05

2.016

2.001

M2.5*0.45

2.1

2.138

2.013

M2.5*0.35

2.121

2.221

2.121

M2.6*0.45

2.2

2.238

2.113

*M2.6*0.35

2.2

2.246

2.186

M3*0.5

2.5

2.599

2.459

M3*0.35

2.7

2.721

2.621

*M3*0.6

2.4

2.44

2.28

M3.5*0.35

3.2

3.221

3.121

M3.5*0.6

2.9

3.01

2.85

M4*0.50

3.5

3.599

3.459

M4*0.7

3.3

3.422

3.242

M4.5*0.50

4

4.099

3.959

*M4*0.75

3.25

3.326

3.106

M5*0.50

4.5

4.599

4.459

M4.5*0.75

3.8

3.878

3.688

M5.5*0.50

5

5.099

4.959

M5*0.8

4.2

4.334

4.134

M6*0.75

5.3

5.378

5.188

*M5*0.9

4.1

4.17

3.93

*M6*0.5

5.5

5.55

5.4

M6*1

5

5.153

4.917

M7*0.75

6.3

6.378

6.188

M7*1

6

6.153

5.917

*M7*0.50

6.5

6.55

6.4

M8*1.25

6.8

6.912

6.647

M8*1.0

7

7.153

6.917

M9*1.25

7.8

7.912

7.647

M8*0.75

7.3

7.378

7.188

M10*1.5

8.5

8.676

8.376

*M8*0.50

7.5

7.52

7.4

M11*1.5

9.5

9.676

9.376

M9*1.0

8

8.153

7.917

M12*1.75

10.3

10.441

10.106

M9*0.75

8.3

8.378

8.188

M14*2

12

12.21

11.835

M10*1.25

8.8

8.912

8.647

M16*2

14

14.21

13.835

　等等

M18*2.5

15.5

15.744

15.249

M20*2.5

17.5

17.744

17.249

M22*2.5

19.5

19.744

19.249

M24*3

21

21.252

20.752

M27*3

24

24.252

23.752

M30*3.5

26.5

26.771

26.211

M33*3.5

29.5

29.771

29.211

M36*4

32

32.27

31.67

M39*4

35

35.27

34.67

M42*4.5

37.5

37.779

37.129

M45*4.5

40.5

40.779

40.129

M48*5

43

43.279

42.587

公制粗螺纹

公制细螺纹

规格

标准径

最大

最小

规格

标准径

最大

最小

规格

标准径

最大

最小

M1.0*0.25

0.75

0.785

0.729

M1.0*0.2

0.8

0.821

0.783

M15*1.0

14

14.353

13.917

M1.1*0.25

0.85

0.885

0.829

M1.1*0.2

0.9

0.921

0.883

M16*1.5

14.5

14.676

14.376

M1.2*0.25

0.95

0.985

0.929

M1.2*0.2

1

1.021

0.983

M16*1.0

15

15.153

14.917

M1.4*0.3

1.1

1.142

1.075

M1.4*0.2

1.2

1.221

1.183

M17*1.5

15.5

15.676

15.376

M1.6*0.35

1.25

1.321

1.221

M1.6*0.2

1.4

1.421

1.383

M17*1.0

16

16.153

15.917

M1.7*0.35

1.35

1.421

1.321

M1.7*0.2

1.45

1.5

1.46

M18*2.0

16

16.21

15.835

M1.8*0.35

1.45

1.521

1.421

M1.8*0.2

1.6

1.621

1.583

M18*1.5

16.5

16.676

16.376

M2.0*0.4

1.6

1.679

1.567

M2.0*0.25

1.75

1.785

1.729

M18*1.0

17

17.153

16.917

M2.2*0.45

1.75

1.888

1.713

M2.2*0.25

1.95

1.985

1.929

M20*2.0

18

18.21

17.835

M2.3*0.4

1.9

1.979

1.867

M2.3*0.25

2.05

2.061

2.001

M20*1.5

18.5

18.676

18.376

M2.5*0.45

2.1

2.138

2.013

M2.5*0.35

2.2

2.221

2.121

M20*1.0

19

19.153

18.917

M2.6*0.45

2.2

2.238

2.113

M2.5*0.35

2.2

2.246

2.186

M22*2.0

20

20.21

19.835

M3.0*0.5

2.5

2.599

2.459

M3.0*0.35

2.7

2.721

2.621

M22*1.5

20.5

20.676

20.376

M3.0*0.6

2.4

2.44

2.28

M3.5*0.35

3.2

3.221

3.121

22*1.0

21

21.153

20.917

M3.5*0.6

2.9

3.01

2.85

M4.0*0.5

3.5

3.599

3.459

M24*2.0

22

22.21

21.835

M4.0*0.7

3.8

3.422

3.242

M4.5*0.5

4

4.099

3.959

M24*1.5

22.5

22.676

22.376

M4.0*0.75

3.25

3.326

3.106

M5.0*0.5

4.5

4.599

4.459

M24*1.0

23

23.153

22.917

M4.5*0.7

3.8

3.878

3.688

M5.5*0.5

5

5.099

4.959

M25*2.0

23

23.21

22.835

M5*0.8

4.2

4.334

4.134

M6.0*0.75

5.3

5.378

5.188

M25*1.5

23.5

23.676

23.376

M5*0.9

4.1

4.17

3.98

M6.0*0.5

5.5

5.55

5.4

M25*1.0

24

24.153

23.917

M6*1.0

5

5.153

4.917

M7.0*0.75

6.3

6.378

6.188

M26*1.5

24.5

24.676

24.876

M7*1.0

6

6.153

5.917

M7.0*0.5

6.5

6.55

6.4

M27*2.0

25

25.21

24.735

M8*1.25

6.8

6.912

6.647

M8.0*1

7

7.153

6.917

M27*1.5

25.5

25.676

25.376

M9*1.25

7.8

7.912

7.647

M8.0*0.75

7.3

7.378

7.188

M27*1.0

26

26.153

25.735

M10*1.5

8.5

8.676

8.376

M8.0*0.5

7.5

7.52

7.4

M28*2.0

26

26.21

25.835

M11*1.5

9.5

9.676

9.376

M9.0*1

8

8.153

7.917

M28*1.5

26

26.676

26.376

M12*1.75

10.3

10.24

10.11

M9.0*0.75

8.3

8.378

8.188

M28*1.0

27

27.153

26.917

M14*2.0

12

12.21

11.84

M10*1.25

8.8

8.912

8.647

M30*3.0

27

27.252

26.752

M16*2.0

14

14.21

13.84

M10*1.0

9

9.153

8.917

M30*2.0

28

28.21

27.835

M18*2.5

15

15.144

15.29

M10*0.75

9.3

9.378

9.188

M30*1.0

28

28.676

28.376

M20*2.5

17

17.744

17.29

M10*0.5

9.5

9.52

9.4

M32*2.0

30

29.153

28.917

M22*2.5

19

19.744

19.29

M11*1.0

10

10.153

9.917

M32*1.5

30

30.21

29.835

M24*3.0

21

21.252

20.75

M11*0.75

10.3

10.378

10.19

M33*3.0

30

30.676

30.376

M27*3.0

24

24.252

23.75

M12*1.5

10.5

10.676

10.38

M33*2.0

31

30.252

29.752

M30*3.5

26.5

26.771

26.21

M12*1.25

10.8

10.912

10.65

M33*1.5

31.5

31.21

30.835

M12*1

11

11.153

10.92

M35*1.5

33.5

33.676

31.376

M12*0.5

11.5

11.523

11.4

M36*3.0

33

33.252

32.752

M14*0.5

12.5

12.676

12.38

M36*2.0

34

34.21

33.835

M14*1.0

13

13.153

12.92

M36*1.5

34

34.676

34.376

M15*1.50

13.5

13.676

13.38

美制迫牙丝攻钻孔径

英制螺纹

规格

精度等级

规格

钻孔径

G4－G6

G7－G8

G9

硬材

软材

NO.2-56UNC

1.94

W1\8-40

2.65

2.5

NO.3-48

2.23

W5\32-32

3.25

3.2

NO.4-40

2.5

W3\16-24

3.75

3.7

NO.6-32

2.83

W1\4-20

5.1

5

NO.8-32

3.07

3.75

W5\16-16

6.6

6.5

NO.10-24

3.78

4.3

W3\8-18

8

7.9

NO.12-24

4.24

4.56

W7\16-14

9.4

9.3

1\4-20

4.9

5.72

W1\2-12

10.7

10.5

5\16-18

7.24

W9\16-12

12.3

12

3\8-16

8.74

8.81

W5\8-11

13.7

13.5

7\16-14

10.2

10.3

W3\4-10

16.7

16.5

1\2-13

11.27

11.82

W7\8-9

19.5

19.3

NO.2-64UNF

1.97

W1\8-8

22.4

22

NO.3-56

2.27

W1-1\8-7

25

24.8

NO.4-48

2.56

W1-1\4-7

28.3

28

NO.5-44

2.86

NO.6-40

3.16

针车用螺纹

NO.8-36

3.78

规格

滚造径

NO.10-32

4.39

4.43

SW1\8-40

2.735--2.688

NO.12-28

4.99

5.04

SM1\8-44

2.769--2.722

1\4-28

5.85

5.9

5\16-24

7.36

7.41

3\8-24

9

7\16-20

10.48

10.54

1\2-20

12.07

12.13

美制特制螺纹

针车螺纹

规格（UNEF）

标准径

2级牙钻孔径

规格

滚造径

最大

最小

SM1\8-40

2.735-2.668

NO.12-32

4.7

4.826

4.623

SM1\8-44

2.769-2.722

SM9\64-40

3.128-3.083

1\4-32

5.6

5.69

5.486

SM11\64

3.855-3.805

5\16-32

7.1

7.264

7.087

SM3\16-32

4.205-4.155

3\8-32

8.7

8.865

8.661

SM3\16-28

4.143-4.093

7\16-28

10.2

10.338

10.135

SM7\32-32

5.003-4.955

1\2-28

11.6

13.386

11.709

SM15\64-28

5.325-5.570

9\16-24

13.2

14.986

13.132

SM1\4-40

5.890-54.735

5\8-24

14.8

14.986

14.732

SM1\4-28

5.721-5.368

3\4-20

17.8

17.958

17.678

SM9\32-28

6.508-6.648

7\8-20

21

21.133

20.859

SM11\31-28

8.092-8.432

1--20

24

24.308

24.028

SM3\8-28

8.880-8.015

SM7\16-28

10.466-10.401

美制管螺纹

SM7\16-16

10.037-9.967

规格

钻孔径

SM1\2-20

11.819-11.749

NPT

NPS

SM9\16-20

13.4-13.425

最大

最小

公制螺纹

1\16-27

6.1

6.25

6.35

规格

滚造径

1\8-27

8.38

8.43

8.74

M3*0.5

2.63-2.5

1\4-18

10.72

11.13

11.13

M3*0.6

2.53-2.5

3\8-18

14.27

14.27

14.68

M3.5*0.6

3.06-3.03

1\2-14

17.48

17.86

18.26

M4*0.7

3.49-3.15

3\4-14

22.63

23.01

23.42

M4*0.75

3.45-3.41

1-11-1\2

28.58

28.98

29.36

M4.5*0.75

3.96-3.92

1-1\4-11-1\2

37.31

37.69

38.1

M5*0.8

4.43-4.38

1-1\2-11-1\2

43.66

44.04

44.45

M5*0.9

4.36-4.31

2-11-1\2

55.58

55.96

56.36

M6*1.0

5.3-5.25

英制电器螺纹

M7*1.0

6.3-6.25

M8*1.0

7.28-7.23

规格

钻孔径

M8*1.25

7.12-7.07

2BA

4-4.2

3BA

4BA

3-3.2

5BA

2.7-2.8

6BA

2.4-2.5

美制粗螺纹

英制管螺纹

规格UNC外径

2级牙钻孔径

规格

标准径

钻孔径

标准径

最大

最小

最大

最小

NO.1－64（1.854）

1.55

1.582

1.452

PS1\16-28

6.5

6.632

6.49

NO.2-56（2.184）

1.8

1.871

1.695

PS1\8-28

8.5

8.687

8.495

NO.3-48（2.515）

2.1

2.146

1.941

Ps1\4-19

11.4

11.549

11.341

NO.4-40（2.845）

2.3

2.385

2.157

PS3\8-19

15

15.054

14.846

NO.5-40（3.173）

2.6

2.679

2.487

PS1\2-14

18.5

18.733

18.489

NO.6-32（3.505）

2.8

2.895

2.642

PS3\4-14

24

24.259

23.975

NO.8-32（4.166）

3.4

3.53

3.302

PS1\4-11

30.2

30.471

30.111

NO.10-24（4.826）

3.9

3.962

3.683

PS1-1\4-11

38.8

39.132

38.772

NO.12-24（5.486）

4.5

4.597

4.344

PS1-1\2-11

44.8

45.025

44.665

1\4-20

5.1

5.257

4.979

PS2-1\2-11

56.5

56.836

56.476

5\16-18

6.6

6.731

6.401

3\8-16

8

8.153

7.793

英制管螺纹

7\16-14

9.4

9.55

9.144

规格

标准径

有效牙部之长

标准长度之

1\2-13

10.8

11.023

10.592

使用铰刀时

不用铰刀时

度中螺牙内径

螺牙内径

9\16-12

12.2

12.446

11.989

PT1\16-28

6.1

6.2

6.384

5\8-11

13.6

12.868

13.386

PT1\8-28

8.1

8

8.388

3\4-10

16.5

18.84

16.307

PT1\4-19

10.7

11

11.174

7\8-9

19.5

19.761

19.507

PT3\8-19

14.2

14.5

14.685

1\8-8

22.2

22.606

21.971

PT1\2-14

17.6

13

18.263

1-1\8-7

25

25.349

24.6398

PT3\4-14

23

23.5

23.663

1-1\4-7

28.2

28.524

27.813

PT1\4-11

29

29.5

29.822

1-3\8-6

30.8

31.115

30.353

PT1-1\4-11

37.5

38

38.339

1-1\2-6

34

34.29

33.528

PT1-1\2-11

43.4

44

44.232

1-3\4-5

39.5

39.827

38.964

PT2-2-11

54.9

55.5