最新螺丝攻牙钻孔径和滚丝径对照表Word文档格式.docx

最新螺丝攻牙钻孔径和滚丝径对照表Word文档格式.docx

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1.221

NO.5-40（3.175）

2.60

2.697

2.487

M1.7×

1.35

1.421

NO.6-32（3.505）

2.80

2.895

2.642

M1.8×

1.45

1.521

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×

1.90

1.979

1.867

1/4-20

5.10

5.257

4.979

M2.5×

2.138

2.013

5/16-18

6.60

6.731

6.401

M2.6×

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

0.6

2.40

2.440

2.280

1/2-13

10.80

11.023

10.592

M3.5×

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

3.25

3.326

3.106

3/4-10

16.50

18.840

16.307

M4.5×

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

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×

6.00

6.153

5.917

1-3/8-6

30.80

31.115

30.353

M8.0×

6.80

6.912

6.647

1-1/2-6

34.00

34.290

33.528

M9.0×

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×

9.50

9.676

9.376

M12×

10.30

10.441

10.106

M14×

2.0

12.00

12.210

11.835

M16×

14.00

14.210

13.835

M18×

2.5

15.50

15.744

15.294

M20×

17.50

17.744

17.294

M22×

19.744

19.294

M24×

3.0

21.00

21.252

20.752

M27×

24.00

24.252

23.752

M30×

3.5

26.50

26.771

26.211

签名档：

公制细螺纹

美制细螺纹

0.2

0.80

0.821

0.783

NO.0-80（1.524）

1.305

1.182

0.90

0.921

0.883

NO.1-72（1.854）

1.612

1.474

1.00

1.021

0.983

NO.2-64（2.184）

1.85

1.912

1.756

1.20

1.183

NO.3-56（2.515）

2.197

2.025

1.40

1.383

NO.4-48（2.845）

2.458

2.271

1.500

1.460

NO.5-44（3.175）

2.70

2.740

2.551

1.621

1.583

NO.6-40（3.505）

3.022

2.820

1.785

1.729

NO.8-36（4.166）

3.50

3.606

3.404

1.95

1.985

1.929

NO.10-32（4.826）

4.165

3.963

2.05

2.061

2.001

NO.12-28（5.846）

4.60

4.724

4.496

2.221

2.121

1/4-28

5.50

5.588

5.360

2.246

2.186

5/16-24

6.90

7.035

6.782

2.721

2.621

3/8-24

8.636

8.382

3.20

3.221

3.121

7/16-20

9.90

10.033

9.729

3.599

3.459

1/2-20

11.50

11.607

11.329

4.00

4.099

3.959

9/16-18

12.90

13.081

12.751

4.599

4.459

5/8-18

14.50

14.681

14.351

M5.5×

5.099

4.959

3/4-16

17.678

17.323

5.30

5.378

5.188

7/8-14

20.50

20.675

20.270

5.550

5.400

1-12

23.20

23.571

23.114

6.30

6.378

6.188

1-1/8-12

26.746

26.289

6.50

6.550

6.400

1-1/4-12

29.50

29.921

29.464

7.00

7.153

6.917

1-3/8-12

32.80

33.096

32.639

7.30

7.378

7.188

1-1/2-12

36.00

36.271

35.814

7.50

7.520

7.400

7.917

8.30

8.378

8.188

8.80

8.912

8.647

9.00

9.153

8.917

9.30

9.378

9.188

9.520

9.400

10.00

10.153

9.917

10.378

10.188

10.50

10.676

10.376

10.912

10.647

11.00

11.153

10.917

11.520

11.400

12.50

12.676

12.376

13.00

13.153

12.917

M15×

13.50

13.676

13.376

14.153

13.917

14.676

14.376

15.00

15.153

14.917

M17×

15.676

15.376

16.00

16.153

15.917

16.210

15.835

16.676

16.376

17.00

17.153

16.917

18.00

18.210

17.835

18.50

18.676

18.376

19.00

19.153

18.917

20.00

20.210

19.835

20.676

20.376