4H5H内螺纹的极限尺寸　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　mm

螺纹标记

大径D₃

中  径D₂

小  径D₁

max

max

min

4H

max

min

6H或5H

MJ1.6×0.35-4H6H

1.704

1.426

1.373

0.053

1.359

1.259

0.100

MJ1.8×0.35-4H6H

1.904

1.626

1.573

0.053

1.559

1.459

0.100

MJ2×0.4-4H6H

2.114

1.796

1.740

0.056

1.722

1.610

0.112

MJ2.2×4.5-4H6H

2.325

1.968

1.908

0.060

1.887

1.762

0.125

MJ2.5×0.35-4H6H

2.604

2.326

2.273

0.053

2.259

2.159

0.100

MJ2.5×0.45-4H6H

2.625

2.268

2.208

0.060

2.187

2.062

0.125

MJ3×0.35-4H6H

3.107

2.829

2.773

0.056

2.759

2.659

0.100

MJ3×0.5-4H6H

3.135

2.738

2.675

0.063

2.653

2.513

0.140

MJ3.5×0.35-4H6H

3.607

3.329

3.273

0.056

3.259

3.159

0.100

MJ3.5×0.6-4H6H

3.658

3.181

3.110

0.071

3.075

2.915

0.160

MJ4×0.5-4H6H

4.135

3.738

3.675

0.063

3.653

3.513

0.140

MJ4×0.7-4H6H

4.176

3.620

3.545

0.075

3.498

3.318

0.180

MJ4.5×0.5-4H6H

4.635

4.238

4.175

0.063

4.153

4.013

0.140

MJ4.5×0.75-4H6H

4.683

4.088

4.013

0.075

3.959

3.769

0.190

MJ5×0.5-4H6H

5.135

4.738

4.675

0.063

4.653

4.513

0.140

MJ5×0.8-4H6H

5.195

4.560

4.480

0.080

4.421

4.221

0.200

MJ5.5×0.5-4H6H

5.635

5.238

5.175

0.063

5.153

5.013

0.140

MJ6×0.75-4H5H

6.913

5.598

5.513

0.085

5.419

5.269

0.150

MJ6×1-4H5H

6.239

5.445

5.350

0.095

5.216

5.026

0.190

MJ7×0.75-4H5H

7.193

6.598

6.513

0.085

6.419

6.269

0.150

MJ7×1-4H5H

7.239

6.445

6.350

0.095

6.216

6.026

0.190

MJ8×0.75-4H5H

8.193

7.598

7.513

0.085

7.419

7.269

0.150

MJ8×1-4H5H

8.239

7.445

7.350

0.095

7.216

7.026

0.190

MJ8×1.25-4H5H

8.280

7.288

7.188

0.100

6.994

6.782

0.212

MJ9×0.75-4H5H

9.193

8.598

8.513

0.085

8.419

8.269

0.150

MJ9×1-4H5H

9.239

8.445

8.350

0.095

8.216

8.026

0.190

MJ9×1.25-4H5H

9.280

8.288

8.188

0.100

7.994

7.782

0.212

MJ10×0.75-4H5H

10.193

9.598

9.513

9.216

9.419

9.269

0.150

MJ10×1-4H5H

10.239

9.445

9.350

0.095

9.216

9.026

0.190

MJ10×1.25-4H5H

10.280

9.288

9.188

0.100

8.994

8.782

0.212

MJ10×1.5-4H5H

10.329

9.138

9.026

0.112

8.775

8.539

0.236

MJ11×0.75-4H5H

11.193

10.598

10.513

0.085

10.419

10.269

0.150

MJ11×1-4H5H

11.239

10.445

10.350

0.095

10.216

10.026

0.190

MJ11×1.25-4H5H

11.280

10.288

10.188

0.100

9.994

9.782

0.212

MJ11×1.5-4H5H

11.329

10.138

10.026

0.112

9.775

9.539

0.236

MJ12×1-4H5H

12.244

11.450

11.350

0.100

11.216

11.026

0.190

MJ12×1.25-4H5H

12.292

11.300

11.188

0.112

10.994

10.782

0.212

MJ12×1.5-4H5H

12.335

11.144

11.026

0.118

10.775

10.539

0.236

MJ12×1.75-4H5H

12.378

10.988

10.863

0.125

10.560

10.295

0.265

MJ14×1-4H5H

14.244

13.450

13.350

0.100

13.216

13.026

0.190

MJ14×1.25-4H5H

14.292

13.300

13.188

0.112

12.994

12.782

0.212

MJ14×1.5-4H5H

14.335

13.144

13.026

0.118

12.775

12.539

0.236

MJ14×2-4H5H

14.421

12.833

12.701

0.132

12.351

12.051

0.300

MJ15×1-4H5H

15.244

14.450

14.350

0.100

14.216

14.026

0.190

MJ15×1.5-4H5H

15.335

14.144

14.026

0.118

13.775

13.539

0.236

MJ16×1-4H5H

16.244

15.450

15.350

0.100

15.216

15.026

0.190

MJ16×1.5-4H5H

16.335

15.144

15.026

0.118

14.775

14.539

0.236

MJ16×2-4H5H

16.421

14.833

14.701

0.132

14.351

14.051

0.300

MJ17×1-4H5H

17.244

16.450

16.350

0.100

16.216

16.026

0.190

MJ17×1.5-4H5H

17.335

16.144

16.026

0.118

15.775

15.539

0.236

MJ18×1-4H5H

18.244

17.450

17.350

0.100

17.216

17.026

0.190

MJ18×1.5-4H5H

18.335

17.144

17.026

0.118

16.775

16.539

0.236

MJ18×2-4H5H

18.421

16.833

16.701

0.132

16.351

16.051

0.300

MJ18×2.5-4H5H

18.501

16.516

16.376

0.140

15.919

15.564

0.355

MJ20×1-4H5H

20.244

19.450

19.350

0.100

19.216

19.026

0.190

MJ20×1.5-4H5H

20.335

19.144

19.026

0.118

18.775

18.539

0.236

MJ20×2-4H5H

20.421

18.833

18.701

0.132

18.351

18.050

0.300

MJ20×2.5-4H5H

20.501

18.516

18.376

0.140

17.919

17.564

0.355

MJ22×1-4H5H

22.244

21.450

21.350

0.100

21.216

21.026

0.190

MJ22×1.5-4H5H

22.335

21.144

21.026

0.118

20.775

20.539

0.236

MJ22×2-4H5H

22.421

20.833

20.701

0.132

20.351

20.051

0.300

MJ22×2.5-4H5H

22.501

20.516

20.376

0.140

19.919

19.564

0.355

MJ24×1-4H5H

24.250

23.456

23.350

0.106

23.216

23.026

0.190

MJ24×1.5-4H5H

24.342

23.151

23.026

0.125

22.775

22.539

0.236

MJ24×2-4H5H

24.429

22.841

22.701

0.140

22.351

22.051

0.300

MJ24×3-4H5H

24.603

22.221

22.051

0.170

21.477

21.077

0.400

MJ25×1-4H5H

25.250

24.456

24.350

0.106

24.216

24.026

0.190

MJ25×1.5-4H5H

25.342

24.151

24.026

0.125

23.775

23.539

0.236

MJ25×2-4H5H

25.429

23.841

23.701

0.140

23.351

23.051

0.300

MJ26×1.5-4H5H

26.342

25.151

25.026

0.125

24.775

24.539

0.236

MJ27×1-4H5H

27.250

26.456

26.350

0.106

26.216

26.026

0.190

MJ27×1.5-4H5H

27.342

26.151

26.026

0.125

25.775

25.539

0.236

MJ27×2-4H5H

27.429

25.841

25.701

0.140

25.351

25.051

0.300

MJ27×3-4H5H

27.603

25.221

25.051

0.170

24.477

24.077

0.400

MJ28×1-4H5H

28.250

27.456

27.350

0.106

27.216

27.026

0.190

MJ28×1.5-4H5H

28.342

27.151

27.026

0.125

26.775

26.539

0.236

MJ28×2-4H5H

28.429

26.841

26.701

0.140

26.351

26.051

0.300

MJ30×1-4H5H

30.250

29.456

29.350

0.106

29.216

29.026

0.190

MJ30×1.5-4H5H

30.342

29.151

29.026

0.125

28.775

28.539

0.236

MJ30×2-4H5H

30.429

28.841

28.701

0.140

28.351

28.051

0.300

MJ30×3-4H5H

30.603

28.221

28.051

0.170

27.477

27.077

0.400

MJ30×3.5-4H5H

30.685

27.907

27.727

0.180

27.040

26.590

0.450

MJ32×1.5-4H5H

32.342

31.151

31.026

0.125

30.775

30.593

0.236

MJ32×2-4H5H

32.429

30.841

30.701

0.140

30.351

30.051

0.300

MJ33×1.5-4H5H

33.342

32.151

32.026

0.125

31.775

31.539

0.236

MJ33×2-4H5H

33.429

31.841

31.701

0.140

31.351

31.051

0.300

MJ33×3-4H5H

33.603

31.221

31.051

0.170

30.477

30.077

0.400

MJ33×3.5-4H5H

33.685

30.907

30.727

0.180

30.040

29.590

0.450

MJ35×1.5-4H5H

35.342

34.151

34.026

0.125

33.775

33.539

0.236

MJ35×2-4H5H

35.429

33.841

33.701

0.140

33.351

33.051

0.300

MJ36×1.5-4H5H

36.342

35.151

35.026

0.125

34.775

34.539

0.236

MJ36×2-4H5H

36.429

34.841

34.701

0.140

34.351

34.051

0.300

MJ36×3-4H5H

36.603

34.221

34.051

0.170

33.477

33.077

0.400

MJ36×4-4H5H

36.767

33.592

33.402

0.190

32.578

32.103

0.475

MJ38×1.5-4H5H

38.342

37.151

37.026

0.125

36.775

36.539

0.236

MJ39×1.5-4H5H

39.342

38.151

38.026

0.125

37.775

37.539

0.236

MJ39×2-4H5H

39.429

37.841

37.701

0.140

37.351

37.051

0.300

MJ39×3-4H5H

39.603

37.221

37.051

0.170

36.477

36.077

0.400

MJ39×4-4H5H

39.767

36.592

36.402

0.190

35.578

35.103

0.475

MJ40×1.5-4H5H

40.342

39.151

39.026

0.125

38.775

38.539

0.236

MJ40×2-4H5H

40.429

38.841

38.701

0.140

38.351

38.051

0.300

MJ40×3-4H5H

40.603

38.221

38.051

0.170

37.477

37.077

0.400

MJ42×1.5-4H5H

42.342

41.151

41.026

0.125

40.775

40.539

0.236

MJ42×2-4H5H

42.429

40.841

40.701

0.140

40.351

40.051

0.300

MJ42×3-4H5H

42.603

40.221

40.051

0.170

39.477

39.077

0.400

MJ42×4-4H5H

42.767

39.592

39.402

0.190

38.578

38.103

0.475

MJ42×4.5-4H5H

42.850

39.277

39.077

0.200

38.146

37.616

0.530

MJ45×1.5-4H5H

45.342

44.151

44.026

0.125

43.775

43.539

0.236

MJ45×2-4H5H

45.429

43.841

43.701

0.140

43.351

43.051

0.300

MJ45×3-4H5H

45.630

43.221

43.051

0.170

42.477

42.077

0.400

MJ45×4-4H5H

45.767

42.592

42.405

0.190

41.478

41.103

0.475

MJ45×4.5-4H5H

45.850

42.277

42.077

0.200

41.146

40.616

0.530

注：内螺纹大径的最小值为D_3min≥D；

内螺纹大径的最大值为D_3max＝D_2max+0.79386P。