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螺丝攻牙钻孔径和滚丝径对照表

时间:2020-12-09 浏览次数:1530 来源:

螺丝攻牙钻孔径和滚丝径对照表

公制粗螺纹

美制粗螺纹

规格

标准径

2级牙钻孔径

规格(UNC)

标准径

2级牙钻孔径

最大

最小

最大

最小

M1.0×0.25

0.75

0.785

0.729

NO.1-64(1.854)

1.55

1.582

1.425

M1.1×0.25

0.85

0.885

0.829

NO.2-56(2.184)

1.80

1.871

1.695

M1.2×0.25

0.95

0.985

0.985

NO.3-48(2.515)

2.10

2.146

1.941

M1.4×0.3

1.10

1.142

1.075

NO.4-40(2.845)

2.30

2.385

2.157

M1.6×0.35

1.25

1.321

1.221

NO.5-40(3.175)

2.60

2.697

2.487

M1.7×0.35

1.35

1.421

1.321

NO.6-32(3.505)

2.80

2.895

2.642

M1.8×0.35

1.45

1.521

1.421

NO8-32(4.166)

3.40

3.53

3.302

M2.0×0.4

1.60

1.679

1.567

NO.10-24(4.826)

3.90

3.962

3.683

M2.2×0.45

1.75

1.838

1.713

NO.12-24(5.486)

4.50

4.597

4.344

M2.3×0.4

1.90

1.979

1.867

1/4-20

5.10

5.257

4.979

M2.5×0.45

2.10

2.138

2.013

5/16-18

6.60

6.731

6.401

M2.6×0.45

2.20

2.238

2.113

3/8-16

8.00

8.153

7.798

M3.0×0.5

2.50

2.599

2.459

7/16-14

9.40

9.55

9.144

M3.0×0.6

2.40

2.440

2.280

1/2-13

10.80

11.023

10.592

M3.5×0.6

2.90

3.010

2.850

9/16-12

12.20

12.446

11.989

M4.0×0.7

3.30

3.422

3.242

5/8-11

13.60

12.868

13.386

M4.0×0.75

3.25

3.326

3.106

3/4-10

16.50

18.840

16.307

M4.5×0.75

3.80

3.878

3.688

7/8-9

19.50

19.761

19.177

M5.0×0.8

4.20

4.334

4.134

1

22.20

22.606

21.971

M5.0×0.9

4.10

4.170

3.930

1-1/8-7

25.00

25.349

24.638

M6.0×1.0

5.00

5.153

4.917

1-1/4-7

28.20

28.524

27.813

M7.0×1.0

6.00

6.153

5.917

1-3/8-6

30.80

31.115

30.353

M8.0×1.25

6.80

6.912

6.647

1-1/2-6

34.00

34.290

33.528

M9.0×1.25

7.80

7.912

7.647

1-3/4-5

39.50

39.827

38.964

M10×1.5

8.50

8.676

8.376

2-4-1/2

45.20

45.593

44.679

M11×1.5

9.50

9.676

9.376

 

 

 

 

M12×1.75

10.30

10.441

10.106

 

 

 

 

M14×2.0

12.00

12.210

11.835

 

 

 

 

M16×2.0

14.00

14.210

13.835

 

 

 

 

M18×2.5

15.50

15.744

15.294

 

 

 

 

M20×2.5

17.50

17.744

17.294

 

 

 

 

M22×2.5

19.50

19.744

19.294

 

 

 

 

M24×3.0

21.00

21.252

20.752

 

 

 

 

M27×3.0

24.00

24.252

23.752

 

 

 

 

M30×3.5

26.50

26.771

26.211

 

 

 

 

螺丝攻牙钻孔径和滚丝径对照表

公制细螺纹

美制细螺纹

规格

标准径

2级牙钻孔径

规格(UNC)

标准径

2级牙钻孔径

最大

最小

最大

最小

M1.0×0.2

0.80

0.821

0.783

NO.0-80(1.524)

1.25

1.305

1.182

M1.1×0.2

0.90

0.921

0.883

NO.1-72(1.854)

1.55

1.612

1.474

M1.2×0.2

1.00

1.021

0.983

NO.2-64(2.184)

1.85

1.912

1.756

M1.4×0.2

1.20

1.221

1.183

NO.3-56(2.515)

2.10

2.197

2.025

M1.6×0.2

1.40

1.421

1.383

NO.4-48(2.845)

2.40

2.458

2.271

M1.7×0.2

1.45

1.500

1.460

NO.5-44(3.175)

2.70

2.740

2.551

M1.8×0.2

1.60

1.621

1.583

NO.6-40(3.505)

2.90

3.022

2.820

M2.0×0.25

1.75

1.785

1.729

NO.8-36(4.166)

3.50

3.606

3.404

M2.2×0.25

1.95

1.985

1.929

NO.10-32(4.826)

4.10

4.165

3.963

M2.3×0.25

2.05

2.061

2.001

NO.12-28(5.846)

4.60

4.724

4.496

M2.5×0.35

2.20

2.221

2.121

1/4-28

5.50

5.588

5.360

M2.6×0.35

2.20

2.246

2.186

5/16-24

6.90

7.035

6.782

M3.0×0.35

2.70

2.721

2.621

3/8-24

8.50

8.636

8.382

M3.5×0.35

3.20

3.221

3.121

7/16-20

9.90

10.033

9.729

M4.0×0.5

3.50

3.599

3.459

1/2-20

11.50

11.607

11.329

M4.5×0.5

4.00

4.099

3.959

9/16-18

12.90

13.081

12.751

M5.0×0.5

4.50

4.599

4.459

5/8-18

14.50

14.681

14.351

M5.5×0.5

5.00

5.099

4.959

3/4-16

17.50

17.678

17.323

M6.0×0.75

5.30

5.378

5.188

7/8-14

20.50

20.675

20.270

M6.0×0.5

5.50

5.550

5.400

1-12

23.20

23.571

23.114

M7.0×0.75

6.30

6.378

6.188

1-1/8-12

26.50

26.746

26.289

M7.0×0.5

6.50

6.550

6.400

1-1/4-12

29.50

29.921

29.464

M8.0×1.0

7.00

7.153

6.917

1-3/8-12

32.80

33.096

32.639

M8.0×0.75

7.30

7.378

7.188

1-1/2-12

36.00

36.271

35.814

M8.0×0.5

7.50

7.520

7.400

 

 

 

 

M9.0×1.0

8.00

8.153

7.917

 

 

 

 

M9.0×0.75

8.30

8.378

8.188

 

 

 

 

M10×1.25

8.80

8.912

8.647

 

 

 

 

M10×1.0

9.00

9.153

8.917

 

 

 

 

M10×0.75

9.30

9.378

9.188

 

 

 

 

M10×0.5

9.50

9.520

9.400

 

 

 

 

M11×1.0

10.00

10.153

9.917

 

 

 

 

M11×0.75

10.30

10.378

10.188

 

 

 

 

M12×1.5

10.50

10.676

10.376

 

 

 

 

M12×1.25

10.80

10.912

10.647

 

 

 

 

M12×1.0

11.00

11.153

10.917

 

 

 

 

M12×0.5

11.50

11.520

11.400

 

 

 

 

M14×1.5

12.50

12.676

12.376

 

 

 

 

M14×1.0

13.00

13.153

12.917

 

 

 

 

M15×1.5

13.50

13.676

13.376

 

 

 

 

M15×1.0

14.00

14.153

13.917

 

 

 

 

M16×1.5

14.50

14.676

14.376

 

 

 

 

M16×1.0

15.00

15.153

14.917

 

 

 

 

M17×1.5

15.50

15.676

15.376

 

 

 

 

M17×1.0

16.00

16.153

15.917

 

 

 

 

M18×2.0

16.00

16.210

15.835

 

 

 

 

M18×1.5

16.50

16.676

16.376

 

 

 

 

M18×1.0

17.00

17.153

16.917

 

 

 

 

M20×2.0

18.00

18.210

17.835

 

 

 

 

M20×1.5

18.50

18.676

18.376

 

 

 

 

M20×1.0

19.00

19.153

18.917

 

 

 

 

M22×2.0

20.00

20.210

19.835

 

 

 

 

M22×1.5

20.50

20.676

20.376

 

 

 

 

M22×1.0

21.00

21.153

20.917

 

 

 

 

M24×2.0

22.00

22.210

21.835

 

 

 

 

M24×1.5

22.50

22.676

22.376

 

 

 

 

M24×1.0

23.00

23.153

22.917

 

 

 

 

M25×2.0

23.00

23.210

22.835

 

 

 

 

M25×1.5

23.50

23.676

23.376

 

 

 

 

M25×1.0

24.00

24.153

23.917

 

 

 

 

M26×1.5

24.50

24.676

24.376

 

 

 

 

M27×2.0

25.00

25.210

24.835

 

 

 

 

M27×1.5

25.50

25.676

25.376

 

 

 

 

M27×1.0

26.00

26.153

25.917

 

 

 

 

M28×2.0

26.00

26.210

25.835

 

 

 

 

M28×1.5

26.50

26.676

26.376

 

 

 

 

M28×1.0

27.00

27.153

26.917

 

 

 

 

M30×3.0

27.00

27.252

26.752

 

 

 

 

M30×2.0

28.00

28.210

27.835

 

 

 

 

M30×1.5

28.50

28.676

28.376

 

 

 

 

M30×1.0

29.00

29.153

28.917

 

 

 

 

M32×2.0

30.00

30.210

29.835

 

 

 

 

M32×1.5

30.50

30.676

30.376

 

 

 

 

M33×3.0

30.00

30.252

29.752

 

 

 

 

M33×2.0

31.00

31.210

30.835

 

 

 

 

M33×1.5

31.50

31.676

31.376

 

 

 

 

M35×1.5

33.50

33.676

33.376

 

 

 

 

M36×3.0

33.00

33.252

32.752

 

 

 

 

M36×2.0

34.00

34.210

33.835

 

 

 

 

M36×1.5

34.50

34.676

34.376

 

 

 

 

螺丝攻牙钻孔径和滚丝径对照表

公制挤压丝攻钻孔径

美制挤压丝攻钻孔径

规格

精度等级

规格(UNC)

精度等级

G4-G6

G7-G8

G9

G4-G6

G7-G8

G9

M1.0×0.25

0.86

0.88

NO.2-56UNC

1.94

M1.1×0.25

0.96

0.98

NO.3-48

2.23

M1.2×0.25

1.06

1.08

NO.4-40

2.50

M1.4×0.3

1.24

1.25

NO.5-40

2.83

M1.6×0.35

1.41

1.43

NO.6-32

3.07

M1.7×0.35

1.51

1.53

NO.8-32

3.73

3.77

M1.8×0.35

1.61

1.63

NO.10-24

4.24

4.3

M2.0×0.4

1.78

1.80

NO.12-24

4.90

4.96

M2.2×0.45

1.95

1.98

1/4-20

5.72

M2.3×0.4

2.08

2.10

5/16-18

7.24

M2.5×0.45

2.25

2.28

3/8-16

8.74

8.81

M2.6×0.45

2.35

2.38

7/16-14

10.20

10.30

M3.0×0.5

2.73

2.75

1/2-13

11.27

11.82

M3.5×0.6

3.17

3.20

NO.2-64UNF

1.97

M4.0×0.7

3.62

3.65

3.69

NO.3-56

2.27

M5.0×0.8

4.56

4.60

4.64

NO.4-48

2.56

M6.0×1.0

5.45

5.50

5.55

NO.5-44

2.86

M7.0×1.0

6.45

6.50

6.55

NO.6-40

3.16

M8.0×1.25

7.31

7.38

7.44

NO.8-36

3.78

M10×1.5

9.18

9.25

9.32

NO.10-32

4.39

4.43

M10×1.25

9.31

9.38

9.44

NO.12-28

4.99

5.04

M12×1.75

11.04

11.12

11.21

1/4-28

5.85

5.90

M12×1.25

11.31

11.38

11.44

5/16-24

7.36

7.41

 

 

 

 

3/8-24

9.00

 

 

 

 

7/16-20

10.48

10.54

 

 

 

 

1/2-20

12.07

12.13

 

 

 

 


美制特细螺纹

英制电器螺纹

规格

标准径

2级牙钻孔径

规格

钻孔径

最大

最小

NO.12-32

4.70

4.826

4.623

2BA

4.0-4.2

1/4     -32

5.60

5.690

5.486

3BA

 

5/16   -32

7.10

7.264

7.087

4BA

3.0-3.2

3/8    -32

8.70

8.865

8.661

5BA

2.7-2.8

7/16   -28

10.20

10.338

10.135

6BA

2.4-2.5

1/2     -28

11.80

11.938

11.709

 

 

9/16    -24

13.20

13.386

13.132

 

 

5/8    -24

14.80

14.986

14.732

 

 

3/4    -20

17.80

17.958

17.678

 

 

7/8    -20

21.00

21.133

20.853

 

 

1      -20

24.00

24.308

24.028

 

 

 

 

螺丝攻牙钻孔径和滚丝径对照表

英制螺纹

公制螺纹

针车用螺纹

规格(UNEF)

钻孔径

规格

滚丝径

规格

滚丝径

硬材

软材

W 1/8 - 40

2.65

2.60

M3×0.5

2.63-2.60

SM1/8-40

2.735-2.688

W 5/32 - 32

3.25

3.20

M3.0×0.6

2.56-2.53

SM1/8-44

2.769-2.722

W 3/16  - 24

3.75

3.70

M3.5×0.6

3.06-3.03

SM9/64-40

3.128-3.083

W 1/4 - 20

5.10

5.00

M4.0×0.7

3.49-3.45

SM11/64-40

3.855-3.805

W 5/16 - 18

6.60

6.50

M4.0×0.75

3.45-3.41

SM3/16-32

4.205-4.155

W 3/8 - 16

8.00

7.90

M4.5×0.75

3.96-3.92

SM3/16-28

4.143-4.093

W 7/16 - 14

9.40

9.30

M5.0×0.8

4.43-4.38

SM7/32-32

5.003-4.955

W 1/2 - 12

10.70

10.50

M5.0×0.9

4.36-4.31

SM15/64-28

5.325-5.570

W 9/16 - 12

12.30

12.00

M6.0×1.0

5.30-5.25

SM1/4-40

5.890-5.735

W 5/8 - 11

13.70

13.50

M7.0×1.0

6.30-6.25

SM1/4-28

5.721-5.366

W 3/4 - 10

16.70

16.50

M8.0×1.0

7.28-7.23

SM9/32-28

6.508-6.648

W 7/8 - 9

19.50

19.30

M8.0×1.25

7.12-7.07

SM11/32-28

8.092-8.432

W1 - 8

22.40

22.00

 

 

SM3/8-28

8.880-8.015

W 1-1/8 - 7

25.00

24.80

 

 

SM7/16-28

10.466-10.401

W 1 - 1/4 - 7

28.30

28.00

 

 

SM7/16-16

10.037-9.967

 

 

 

 

 

SM1/2-20

11.819-11.749

 

 

 

 

 

SM9/26-20

13.400-13.425

 

 

 

 

英制管螺纹

英制管螺纹

美制管螺纹

规格

标准径

钻孔径

规格

标准径

有交牙部之长度(最小)中之毋螺牙内径

标准长度(最小)中之毋螺牙内径

规格

钻孔径

最大

最小

使用绞刀时

不用绞刀时

NPT

NPS

使用绞刀时

不用绞刀时

PS 1/16 - 28

6.50

6.632

6.490

PT 1/16 - 28

6.10

6.20

6.244

6.384

1/16 - 27

6.10

6.25

6.35

PS 1/8 - 28

8.50

8.637

8.495

PT 1/8 - 28

8.10

8.20

8.249

8.388

1/8 - 27

8.33

8.43

8.74

PS 1/4 - 19

11.40

11.549

11.341

PT 1/4 - 19

10.70

11.00

10.962

11.174

1/4 - 18

10.72

11.13

11.13

PS 3/8 - 19

15.00

15.054

14.846

PT 3/8 - 19

14.20

14.50

14.448

14.658

3/8 - 18

14.27

14.27

14.68

PS 1/2 - 14

18.50

18.773

18.489

PT 1/2 - 14

17.60

18.00

17.979

18.263

1/2 - 14

17.48

17.86

18.26

PS 3/4 -14

24.00

24.259

23.975

PT 3/4 - 14

23.00

23.50

23.378

23.663

3/4 - 14

22.63

23.01

23.42

PS 1 - 11

30.20

30.471

30.111

PT 1- 11

29.00

29.50

29.459

29.822

1 - 11-1/2

28.58

28.98

29.36

PS 1-1/4 - 11

38.80

39.132

38.772

PT 1-1/4 - 11

37.50

38.00

37.976

38.339

1-1/4-11-1/2

37.31

37.69

38.10

PS 1-1/2 - 11

44.80

45.025

44.665

PT 1-1/2 - 11

43.40

44.00

43.869

44.232

1-1/2-11-1/2

43.66

44.04

44.45

PS 2 - 11

56.50

56.836

56.476

PT 2 - 11

54.90

55.50

55.412

55.844

2 - 11 - 1/2

55.58

55.96

56.36